| Rank | Median Percentage of Income for House with Mortgage ▼ | School District / Population |
| 1. | 45.00% | Brooklyn Community Unit School District 188 / 807 |
| 2. | 41.00% | Union Ridge School District 86 / 6,529 |
| 3. | 37.90% | Sandridge School District 172 / 4,425 |
| 4. | 37.40% | East Prairie School District 73 / 4,698 |
| 5. | 36.80% | East St. Louis School District 189 / 37,689 |
| 6. | 35.30% | Willow Springs School District 108 / 3,450 |
| 7. | 35.20% | Cicero School District 99 / 84,481 |
| 8. | 34.40% | Schiller Park School District 81 / 13,509 |
| 8. | 34.40% | Calumet City School District 155 / 11,610 |
| 10. | 34.10% | Posen-Robbins Elementary School District 143-5 / 12,155 |
| 11. | 33.70% | North Chicago School District 187 / 29,043 |
| 12. | 33.30% | Harvey School District 152 / 16,747 |
| 13. | 33.20% | Summit School District 104 / 12,603 |
| 14. | 33.10% | Pembroke Consolidated Community School District 259 / 1,971 |
| 14. | 33.10% | River Grove School District 85-5 / 7,881 |
| 16. | 32.10% | Maywood-Melrose Park-Broadview School District 89 / 44,483 |
| 17. | 32.00% | Riley Community Consolidated School District 18 / 3,641 |
| 17. | 32.00% | J. Sterling Morton High School District 201 / 159,527 |
| 19. | 31.90% | Worth School District 127 / 11,338 |
| 20. | 31.80% | Marengo Community High School District 154 / 13,691 |
| 21. | 31.70% | Marengo-Union Elementary Consolidated District 165 / 10,050 |
| 22. | 31.60% | Skokie-Fairview School District 72 / 6,315 |
| 23. | 31.40% | Marquardt School District 15 / 26,458 |
| 24. | 31.30% | Sunset Ridge School District 29 / 4,110 |
| 25. | 31.10% | Community Consolidated School District 180 / 6,926 |
| 26. | 30.80% | Argo Community High School District 217 / 40,495 |
| 26. | 30.80% | Skokie School District 73-5 / 9,719 |
| 26. | 30.80% | Ridgewood Community High School District 234 / 19,122 |
| 29. | 30.70% | Rutland Community Consolidated School District 230 / 785 |
| 29. | 30.70% | Bellwood School District 88 / 23,074 |
| 31. | 30.60% | Fox Lake Grade School District 114 / 8,628 |
| 32. | 30.50% | Elmwood Park Community Unit School District 401 / 24,960 |
| 32. | 30.50% | Zion Elementary School District 6 / 17,432 |
| 32. | 30.50% | Rhodes School District 84-5 / 4,870 |
| 35. | 30.40% | Elementary School District 159 / 19,971 |
| 36. | 30.30% | Leyden Community High School District 212 / 64,439 |
| 37. | 30.10% | Harvard Community Unit School District 50 / 13,486 |
| 37. | 30.10% | Lyons School District 103 / 22,581 |
| 39. | 30.00% | East Maine School District 63 / 46,677 |
| 39. | 30.00% | Richland School District 88A / 9,948 |
| 39. | 30.00% | West Harvey-Dixmoor Public School District 147 / 9,990 |
| 42. | 29.90% | Skokie School District 69 / 18,561 |
| 43. | 29.80% | South Holland School District 151 / 13,930 |
| 44. | 29.50% | Franklin Park School District 84 / 11,086 |
| 44. | 29.50% | Lincolnwood School District 74 / 12,653 |
| 44. | 29.50% | Golf Elementary School District 67 / 6,857 |
| 47. | 29.40% | Country Club Hills School District 160 / 12,495 |
| 47. | 29.40% | Hiawatha Community Unit School District 426 / 3,168 |
| 47. | 29.40% | Aurora East Unit School District 131 / 84,673 |
| 47. | 29.40% | Chicago Ridge School District 127-5 / 13,466 |
| 47. | 29.40% | Berwyn North School District 98 / 26,086 |
| 47. | 29.40% | Round Lake Community Unit School District 116 / 36,177 |
| 47. | 29.40% | Palos Heights School District 128 / 9,655 |
| 54. | 29.30% | Mannheim School District 83 / 21,174 |
| 54. | 29.30% | Dolton School District 149 / 27,206 |
| 54. | 29.30% | Prairie-Hills Elementary School District 144 / 22,837 |
| 54. | 29.30% | Berwyn South School District 100 / 30,676 |
| 54. | 29.30% | Niles Township Community High School District 219 / 96,278 |
| 54. | 29.30% | Norridge School District 80 / 12,089 |
| 54. | 29.30% | Hoover-Schrum Memorial School District 157 / 8,237 |
| 61. | 29.20% | Proviso Township High School District 209 / 126,972 |
| 61. | 29.20% | Madison Community Unit School District 12 / 4,892 |
| 61. | 29.20% | Indian Springs School District 109 / 24,678 |
| 61. | 29.20% | Burbank School District 111 / 29,957 |
| 61. | 29.20% | Reavis Township High School District 220 / 33,438 |
| 66. | 29.10% | Hillside School District 93 / 5,124 |
| 66. | 29.10% | Fairmont School District 89 / 3,876 |
| 66. | 29.10% | Brookwood School District 167 / 11,151 |
| 69. | 29.00% | Berkeley School District 87 / 22,520 |
| 69. | 29.00% | Central Stickney School District 110 / 3,481 |
| 69. | 29.00% | Thornton Fractional Township High School District 215 / 60,994 |
| 69. | 29.00% | Pennoyer School District 79 / 5,894 |
| 73. | 28.90% | Prospect Heights School District 23 / 18,121 |
| 73. | 28.90% | Thornton Township High School District 205 / 114,889 |
| 75. | 28.80% | Grass Lake School District 36 / 2,565 |
| 76. | 28.70% | Bannockburn School District 106 / 2,177 |
| 77. | 28.60% | Lincoln Elementary School District 156 / 7,611 |
| 77. | 28.60% | Calumet Public School District 132 / 10,701 |
| 79. | 28.50% | Sunnybrook School District 171 / 10,897 |
| 80. | 28.40% | LaGrange School District 105 / 12,573 |
| 80. | 28.40% | North Palos School District 117 / 28,444 |
| 82. | 28.30% | Lisbon Community Consolidated School District 90 / 925 |
| 82. | 28.30% | Waukegan Community Unit School District 60 / 83,647 |
| 84. | 28.20% | Homer Community Consolidated School District 33C / 29,870 |
| 84. | 28.20% | Butler School District 53 / 4,839 |
| 86. | 28.10% | Valley View Community Unit School District 365U / 92,995 |
| 86. | 28.10% | Lansing School District 158 / 22,864 |
| 86. | 28.10% | Woodstock Community Unit School District 200 / 37,706 |
| 86. | 28.10% | Manteno Community Unit School District 5 / 12,114 |
| 86. | 28.10% | Hazel Crest School District 152-5 / 8,175 |
| 91. | 28.00% | Niles Elementary School District 71 / 7,998 |
| 91. | 28.00% | Wood Dale School District 7 / 10,312 |
| 91. | 28.00% | Bensenville School District 2 / 19,900 |
| 91. | 28.00% | Fenton Community High School District 100 / 30,212 |
| 91. | 28.00% | Community Consolidated School District 59 / 66,255 |
| 96. | 27.90% | South Beloit Community Unit School District 320 / 6,688 |
| 96. | 27.90% | Steward Elementary School District 220 / 717 |
| 96. | 27.90% | Morton Grove School District 70 / 9,241 |
| 96. | 27.90% | Ridgeland School District 122 / 21,499 |
| 100. | 27.80% | South Holland School District 150 / 10,183 |
| 100. | 27.80% | Maine Township High School District 207 / 146,026 |
| 100. | 27.80% | Rich Township High School District 227 / 70,027 |
| 103. | 27.70% | Addison School District 4 / 38,180 |
| 103. | 27.70% | Oak Lawn Community High School District 229 / 40,564 |
| 103. | 27.70% | West Chicago School District 33 / 30,853 |
| 103. | 27.70% | Cass School District 63 / 8,304 |
| 107. | 27.60% | Palos Community Consolidated School District 118 / 23,432 |
| 107. | 27.60% | Des Plaines Community Consolidated School District 62 / 51,990 |
| 107. | 27.60% | Community Consolidated School District 168 / 10,352 |
| 110. | 27.50% | River Trails School District 26 / 15,589 |
| 110. | 27.50% | Chicago Public School District 299 / 2,712,608 |
| 110. | 27.50% | Community High School District 218 / 121,995 |
| 110. | 27.50% | Earlville Community Unit School District 9 / 2,717 |
| 114. | 27.40% | Riverside School District 96 / 13,991 |
| 115. | 27.30% | Wheeling Community Consolidated School District 21 / 66,232 |
| 115. | 27.30% | Cairo Community Unit School District 1 / 2,950 |
| 115. | 27.30% | Burnham School District 154-5 / 1,658 |
| 115. | 27.30% | Thornton School District 154 / 3,250 |
| 115. | 27.30% | General George Patton School District 133 / 2,020 |
| 115. | 27.30% | Queen Bee School District 16 / 17,773 |
| 115. | 27.30% | West Northfield School District 31 / 9,898 |
| 122. | 27.20% | Alsip-Hazelgreen-Oaklawn School District 126 / 17,417 |
| 123. | 27.10% | Bloomingdale School District 13 / 13,521 |
| 124. | 27.00% | Northbrook Elementary School District 27 / 10,714 |
| 124. | 27.00% | Lombard School District 44 / 35,594 |
| 124. | 27.00% | Grant Park Community Unit School District 6 / 3,320 |
| 124. | 27.00% | Dolton School District 148 / 22,436 |
| 128. | 26.90% | Community High School District 94 / 41,834 |
| 128. | 26.90% | Salt Creek School District 48 / 8,237 |
| 128. | 26.90% | Lockport Township High School District 205 / 76,156 |
| 128. | 26.90% | Durand Community Unit School District 322 / 3,672 |
| 128. | 26.90% | Oak Lawn-Hometown School District 123 / 35,152 |
| 128. | 26.90% | Komarek School District 94 / 4,969 |
| 134. | 26.80% | Gower School District 62 / 9,602 |
| 134. | 26.80% | Ford Heights School District 169 / 2,777 |
| 134. | 26.80% | Skokie School District 68 / 20,236 |
| 137. | 26.70% | School District U-46 / 233,909 |
| 137. | 26.70% | Nippersink School District 2 / 11,648 |
| 137. | 26.70% | Bloom Township High School District 206 / 64,695 |
| 137. | 26.70% | Richmond-Burton Community High School District 157 / 11,648 |
| 137. | 26.70% | Frankfort Community Consolidated School District 157C / 17,716 |
| 137. | 26.70% | Township High School District 214 / 253,649 |
| 137. | 26.70% | Zion-Benton Township High School District 126 / 44,560 |
| 137. | 26.70% | Pleasantdale School District 107 / 8,287 |
| 137. | 26.70% | Alden-Hebron School District 19 / 2,572 |
| 137. | 26.70% | Gavin School District 37 / 7,729 |
| 147. | 26.60% | Cook County School District 130 / 30,726 |
| 147. | 26.60% | Elwood Community Consolidated School District 203 / 3,787 |
| 147. | 26.60% | Forest Park School District 91 / 14,010 |
| 147. | 26.60% | Westchester School District 92-5 / 16,049 |
| 147. | 26.60% | Riverside Brookfield Township School District 208 / 29,204 |
| 147. | 26.60% | Huntley Consolidated School District 158 / 43,647 |
| 153. | 26.50% | Beecher Community Unit School District 200U / 6,985 |
| 153. | 26.50% | Evergreen Park Community High School District 231 / 19,924 |
| 153. | 26.50% | Evergreen Park Elementary School District 124 / 19,924 |
| 153. | 26.50% | Wauconda Community Unit School District 118 / 27,619 |
| 157. | 26.40% | McHenry Community High School District 156 / 45,604 |
| 157. | 26.40% | McHenry Community Consolidated School District 15 / 42,581 |
| 159. | 26.30% | DuPage High School District 88 / 83,355 |
| 159. | 26.30% | Joliet Public School District 86 / 83,967 |
| 161. | 26.20% | Beach Park Community Consolidated School District 3 / 20,446 |
| 161. | 26.20% | Orland School District 135 / 56,257 |
| 163. | 26.10% | Brookfield School District 95 / 10,872 |
| 163. | 26.10% | Consolidated High School District 230 / 157,389 |
| 165. | 26.00% | Scales Mound Community Unit School District 211 / 1,624 |
| 165. | 26.00% | Crete-Monee Community Unit School District 201-U / 33,368 |
| 165. | 26.00% | Stockton Community Unit School District 206 / 3,877 |
| 165. | 26.00% | Grant Community High School District 124 / 36,397 |
| 169. | 25.90% | Peotone Community Unit School District 207U / 10,749 |
| 169. | 25.90% | Westmont Community Unit School District 201 / 12,454 |
| 169. | 25.90% | Joliet Township High School District 204 / 128,441 |
| 169. | 25.90% | Glenbard Township High School District 87 / 166,784 |
| 169. | 25.90% | Fox River Grove Consolidated School District 3 / 4,266 |
| 169. | 25.90% | Matteson Elementary School District 162 / 25,667 |
| 169. | 25.90% | Akin Community Consolidated School District 91 / 775 |
| 169. | 25.90% | Indian Creek Community Unit District 425 / 4,384 |
| 169. | 25.90% | Antioch Community Consolidated School District 34 / 23,761 |
| 169. | 25.90% | Newark Community High School District 18 / 3,879 |
| 169. | 25.90% | Will County School District 92 / 14,725 |
| 169. | 25.90% | Sycamore Community Unit School District 427 / 22,208 |
| 169. | 25.90% | Benjamin School District 25 / 6,555 |
| 182. | 25.80% | Mundelein Consolidated High School District 120 / 44,244 |
| 182. | 25.80% | Gurnee School District 56 / 18,744 |
| 182. | 25.80% | Minooka Community Consolidated School District 201 / 24,332 |
| 182. | 25.80% | Park Forest School District 163 / 15,658 |
| 182. | 25.80% | Mundelein Elementary School District 75 / 14,958 |
| 182. | 25.80% | Lemont-Bromberek Combined School District 113A / 25,222 |
| 182. | 25.80% | Schaumburg Community Consolidated School District 54 / 133,914 |
| 182. | 25.80% | Yorkville Community Unit School District 115 / 30,038 |
| 190. | 25.70% | Maercker School District 60 / 18,009 |
| 190. | 25.70% | Bremen Community High School District 228 / 94,083 |
| 190. | 25.70% | Avoca School District 37 / 6,435 |
| 190. | 25.70% | Lemont Township High School District 210 / 25,611 |
| 190. | 25.70% | Antioch Community High School District 117 / 44,953 |
| 195. | 25.60% | Plainfield School District 202 / 122,136 |
| 195. | 25.60% | Woodridge School District 68 / 33,075 |
| 195. | 25.60% | Oswego Community Unit School District 308 / 77,693 |
| 195. | 25.60% | Township High School District 211 / 236,447 |
| 195. | 25.60% | LaGrange School District 102 / 25,438 |
| 195. | 25.60% | Atwood Heights School District 125 / 7,926 |
| 195. | 25.60% | Park Ridge Consolidated Community School District 64 / 40,764 |
| 202. | 25.50% | Palatine Community Consolidated School District 15 / 119,447 |
| 202. | 25.50% | Lake Park Community High School District 108 / 50,869 |
| 202. | 25.50% | Manhattan School District 114 / 9,143 |
| 202. | 25.50% | Emmons School District 33 / 3,616 |
| 202. | 25.50% | Millburn Community Consolidated School District 24 / 8,008 |
| 202. | 25.50% | Diamond Lake School District 76 / 8,664 |
| 208. | 25.40% | Wilmette School District 39 / 26,102 |
| 209. | 25.30% | River Forest School District 90 / 11,211 |
| 209. | 25.30% | Shirland Community Consolidated School District 134 / 1,496 |
| 209. | 25.30% | Kaneland Community Unit School District 302 / 25,778 |
| 209. | 25.30% | Kildeer Countryside Community Consolidated School District 96 / 23,374 |
| 209. | 25.30% | Chicago Heights School District 170 / 24,090 |
| 209. | 25.30% | Midlothian School District 143 / 15,241 |
| 215. | 25.20% | Name N/A / 4,816,938 |
| 215. | 25.20% | Troy Community Consolidated School District 30C / 36,092 |
| 215. | 25.20% | Lake Forest School District 67 / 18,592 |
| 215. | 25.20% | Lake Bluff Elementary School District 65 / 8,103 |
| 215. | 25.20% | Mount Prospect School District 57 / 20,638 |
| 215. | 25.20% | Venice Community Unit School District 3 / 688 |
| 215. | 25.20% | Lake Forest Community High School District 115 / 27,017 |
| 215. | 25.20% | DeKalb Community Unit School District 428 / 52,506 |
| 215. | 25.20% | Newark Community Consolidated School District 66 / 2,809 |
| 215. | 25.20% | Aurora West Unit School District 129 / 75,509 |
| 215. | 25.20% | Barrington Community Unit School District 220 / 45,392 |
| 215. | 25.20% | Glenview Community Consolidated School District 34 / 41,222 |
| 227. | 25.10% | Kankakee School District 111 / 32,510 |
| 227. | 25.10% | Hinsdale Township High School District 86 / 75,716 |
| 227. | 25.10% | Steger School District 194 / 13,985 |
| 227. | 25.10% | Central Community Unit School District 301 / 19,083 |
| 227. | 25.10% | Nauvoo-Colusa Community Unit School District 325 / 2,441 |
| 232. | 25.00% | Keeneyville School District 20 / 14,535 |
| 232. | 25.00% | Northfield Township High School District 225 / 86,734 |
| 232. | 25.00% | Lyons Township High School District 204 / 69,702 |
| 232. | 25.00% | Roselle School District 12 / 6,654 |
| 232. | 25.00% | Villa Park School District 45 / 36,938 |
| 232. | 25.00% | Community Unit School District 300 / 111,782 |
| 232. | 25.00% | Johnsburg Community Unit School District 12 / 12,447 |
| 239. | 24.90% | Oakdale Community Consolidated School District 1 / 714 |
| 239. | 24.90% | Oak Grove School District 68 / 7,189 |
| 239. | 24.90% | Center Cass School District 66 / 11,561 |
| 239. | 24.90% | Chaney-Monge School District 88 / 7,237 |
| 239. | 24.90% | Lincolnshire-Prairieview School District 103 / 13,006 |
| 239. | 24.90% | Union School District 81 / 1,631 |
| 245. | 24.80% | Lake Villa Community Consolidated School District 41 / 24,136 |
| 245. | 24.80% | Adlai E. Stevenson High School District 125 / 61,391 |
| 245. | 24.80% | LaGrange Highlands School District 106 / 9,718 |
| 245. | 24.80% | Aptakisic-Tripp Community Consolidated School District / 19,061 |
| 245. | 24.80% | Northbrook/Glenview School District 30 / 10,256 |
| 245. | 24.80% | St. Anne Community High School District 302 / 5,161 |
| 245. | 24.80% | Fremont School District 79 / 20,516 |
| 245. | 24.80% | Geneva Community Unit School District 304 / 29,781 |
| 253. | 24.70% | Homewood School District 153 / 16,461 |
| 253. | 24.70% | Minooka Community High School District 111 / 38,611 |
| 253. | 24.70% | Warren Township High School District 121 / 68,666 |
| 253. | 24.70% | Rooks Creek Community Consolidated School District 425 / 625 |
| 253. | 24.70% | Summit Hill School District 161 / 23,646 |
| 253. | 24.70% | Prairie Grove Community School District 46 / 7,259 |
| 259. | 24.60% | Prairie du Rocher Community Consolidated School District 134 / 973 |
| 259. | 24.60% | Community Consolidated School District 93 / 35,313 |
| 259. | 24.60% | Elmhurst School District 205 / 47,454 |
| 259. | 24.60% | Plano Community Unit School District 88 / 11,378 |
| 259. | 24.60% | Chester Non-High School District 122 / 973 |
| 259. | 24.60% | Crescent Iroquois Community Unit School District 249 / 1,208 |
| 259. | 24.60% | Kenilworth School District 38 / 3,006 |
| 259. | 24.60% | North Shore School District 112 / 35,827 |
| 259. | 24.60% | Township High School District 113 / 58,572 |
| 259. | 24.60% | Winfield School District 34 / 4,426 |
| 259. | 24.60% | Medinah School District 11 / 7,119 |
| 270. | 24.50% | Laraway Community Consolidated School District 70C / 3,161 |
| 270. | 24.50% | Deerfield School District 109 / 20,592 |
| 270. | 24.50% | Community High School District 99 / 110,458 |
| 270. | 24.50% | Dimmick Community Consolidated School District 175 / 1,173 |
| 270. | 24.50% | Rondout School District 72 / 1,450 |
| 270. | 24.50% | Homewood-Flossmoor Community High School District 233 / 38,929 |
| 270. | 24.50% | Saratoga Community Consolidated School District 60C / 6,049 |
| 270. | 24.50% | Woodland Community Consolidated School District 50 / 50,954 |
| 270. | 24.50% | New Trier Township High School District 203 / 60,357 |
| 279. | 24.40% | Oak Park and River Forest District 200 / 63,199 |
| 279. | 24.40% | Grayslake Community High School District 127 / 44,701 |
| 279. | 24.40% | Itasca School District 10 / 9,040 |
| 279. | 24.40% | Evanston Community Consolidated School District 65 / 83,353 |
| 279. | 24.40% | Lincoln Way Community High School District 210 / 105,219 |
| 279. | 24.40% | Evanston Township High School District 202 / 83,353 |
| 279. | 24.40% | Community Consolidated School District 146 / 26,437 |
| 286. | 24.30% | Big Hollow School District 38 / 15,095 |
| 286. | 24.30% | Reed Custer Community Unit School District 255U / 9,343 |
| 286. | 24.30% | Arlington Heights School District 25 / 51,105 |
| 286. | 24.30% | Odell Community Consolidated School District 435 / 1,308 |
| 286. | 24.30% | Glen Ellyn School District 41 / 29,772 |
| 286. | 24.30% | Calhoun Community Unit School District 40 / 3,447 |
| 286. | 24.30% | Darien School District 61 / 16,179 |
| 286. | 24.30% | Grayslake Consolidated Community School District 46 / 29,536 |
| 294. | 24.20% | Belvidere Consolidated Unit School District 100 / 45,001 |
| 294. | 24.20% | Coal City Community Unit School District 1 / 11,131 |
| 294. | 24.20% | Marseilles Elementary School District 150 / 4,120 |
| 294. | 24.20% | Oak Park Elementary School District 97 / 51,988 |
| 294. | 24.20% | Hinckley-Big Rock Community Unit School District 429 / 4,715 |
| 299. | 24.10% | St. Charles Community Unit School District 303 / 68,412 |
| 299. | 24.10% | Crab Orchard Community Unit School District 3 / 2,632 |
| 299. | 24.10% | New Lenox School District 122 / 38,889 |
| 299. | 24.10% | Iroquois County Community Unit School District 9 / 7,118 |
| 299. | 24.10% | Community Unit School District 2 / 6,076 |
| 304. | 24.00% | Crystal Lake Community Consolidated School District 47 / 62,372 |
| 304. | 24.00% | Morris Community High School District 101 / 18,171 |
| 304. | 24.00% | Hawthorn Community Consolidated School District 73 / 30,575 |
| 304. | 24.00% | Wilmington Community Unit School District 209U / 9,488 |
| 304. | 24.00% | Kirby School District 140 / 35,585 |
| 304. | 24.00% | Tamaroa School District 5 / 719 |
| 310. | 23.90% | Flossmoor School District 161 / 21,927 |
| 310. | 23.90% | Rock Falls Elementary School District 13 / 8,878 |
| 310. | 23.90% | Silvis School District 34 / 5,498 |
| 310. | 23.90% | Harrison School District 36 / 3,818 |
| 314. | 23.80% | Community Unit School District 200 / 78,843 |
| 314. | 23.80% | Winthrop Harbor School District 1 / 6,682 |
| 314. | 23.80% | Morris School District 54 / 11,448 |
| 314. | 23.80% | Sandwich Community Unit School District 430 / 13,364 |
| 314. | 23.80% | Community High School District 155 / 96,008 |
| 314. | 23.80% | Lake Zurich Community Unit School District 95 / 31,709 |
| 314. | 23.80% | Mulberry Grove Community Unit School District 1 / 2,499 |
| 321. | 23.70% | North Boone Community Unit School District 200 / 8,564 |
| 321. | 23.70% | Leland Community Unit School District 1 / 1,738 |
| 321. | 23.70% | Saunemin Community Consolidated School District 438 / 908 |
| 321. | 23.70% | Polo Community Unit School District 222 / 3,918 |
| 321. | 23.70% | St. George Community Consolidated School District 258 / 3,691 |
| 321. | 23.70% | Indian Prairie Community Unit School District 204 / 128,486 |
| 321. | 23.70% | Hoyleton Consolidated School District 29 / 977 |
| 328. | 23.60% | Glencoe School District 35 / 8,696 |
| 328. | 23.60% | Genoa-Kingston Community Unit School District 424 / 9,139 |
| 328. | 23.60% | Belle Valley School District 119 / 9,582 |
| 328. | 23.60% | Libertyville Community High School District 128 / 50,244 |
| 328. | 23.60% | Forest Ridge School District 142 / 16,467 |
| 328. | 23.60% | Millstadt Consolidated Community School District 160 / 8,650 |
| 328. | 23.60% | Rockford School District 205 / 191,430 |
| 335. | 23.50% | Galena Unit School District 120 / 5,928 |
| 335. | 23.50% | Ludlow Community Consolidated School District 142 / 1,129 |
| 335. | 23.50% | Meridian Community Unit School District 223 / 8,741 |
| 335. | 23.50% | Arbor Park School District 145 / 12,821 |
| 335. | 23.50% | Naperville Community Unit District 203 / 96,394 |
| 335. | 23.50% | Lockport School District 91 / 6,640 |
| 335. | 23.50% | Kings Consolidated School District 144 / 949 |
| 335. | 23.50% | Orangeville Community Unit School District 203 / 2,851 |
| 335. | 23.50% | Cahokia Community Unit School District 187 / 18,889 |
| 344. | 23.40% | Downers Grove Grade School District 58 / 51,933 |
| 344. | 23.40% | Miller Township Community Consolidated School District / 2,327 |
| 346. | 23.30% | North Wamac School District 186 / 990 |
| 346. | 23.30% | Glen Ellyn Community Consolidated School District 89 / 21,874 |
| 346. | 23.30% | Momence Community Unit School District 1 / 7,218 |
| 346. | 23.30% | Tremont Community Unit School District 702 / 5,070 |
| 346. | 23.30% | Taft School District 90 / 3,740 |
| 346. | 23.30% | Amboy Community Unit School District 272 / 5,036 |
| 352. | 23.20% | Smithton Community Consolidated School District 130 / 4,559 |
| 352. | 23.20% | Batavia Unit School District 101 / 31,774 |
| 352. | 23.20% | Rock Falls Township High School District 301 / 14,656 |
| 355. | 23.10% | Brussels Community Unit School District 42 / 1,250 |
| 355. | 23.10% | Meridian Community Unit School District 101 / 3,649 |
| 355. | 23.10% | St. Anne Consolidated Community School District 256 / 3,190 |
| 355. | 23.10% | Lindop School District 92 / 4,011 |
| 355. | 23.10% | Lick Creek Community Consolidated School District 16 / 1,520 |
| 355. | 23.10% | Northbrook School District 28 / 14,644 |
| 355. | 23.10% | Rockdale School District 84 / 2,240 |
| 362. | 23.00% | West Richland Community Unit School District 2 / 2,010 |
| 362. | 23.00% | Mokena School District 159 / 17,456 |
| 364. | 22.90% | Eastland Community Unit School District 308 / 4,291 |
| 364. | 22.90% | Channahon School District 17 / 10,273 |
| 364. | 22.90% | East Moline School District 37 / 26,610 |
| 364. | 22.90% | Rosemont Elementary School District 78 / 2,309 |
| 368. | 22.80% | Cary Community Consolidated School District 26 / 22,111 |
| 368. | 22.80% | Pecatonica Community Unit School District 321 / 5,092 |
| 368. | 22.80% | Name N/A / 3,033 |
| 368. | 22.80% | Lee Center Community Unit School District 271 / 1,617 |
| 368. | 22.80% | Clay City Community Unit District 10 / 2,505 |
| 368. | 22.80% | Arthur Community Unit School District 305 / 7,681 |
| 368. | 22.80% | Cobden School Unit District 17 / 3,899 |
| 375. | 22.70% | Braceville School District 75 / 1,399 |
| 375. | 22.70% | Geff Community Consolidated School District 14 / 939 |
| 375. | 22.70% | South Wilmington Consolidated School District 74 / 975 |
| 375. | 22.70% | North Wayne Community Unit School District 200 / 2,556 |
| 375. | 22.70% | River Ridge Community Unit School District 210 / 3,566 |
| 380. | 22.60% | Steeleville Community Unit School District 138 / 3,126 |
| 380. | 22.60% | Gardner-South Wilmington Township High School District / 4,037 |
| 380. | 22.60% | Annawan Community Unit School District 226 / 2,171 |
| 380. | 22.60% | Spring Valley Community Consolidated School District 99 / 6,000 |
| 380. | 22.60% | Fisher Community Unit School District 1 / 3,622 |
| 380. | 22.60% | Somonauk Community Unit School District 432 / 5,089 |
| 386. | 22.50% | Flanagan-Cornell District 74 in Pontiac / 30 |
| 386. | 22.50% | Ottawa Township High School District 140 / 31,237 |
| 386. | 22.50% | Rantoul City School District 137 / 12,838 |
| 386. | 22.50% | Meredosia-Chambersburg Community Unit School District 11 / 1,669 |
| 386. | 22.50% | Mendota Township High School District 280 / 11,061 |
| 386. | 22.50% | Metamora Community Consolidated School District 1 / 7,045 |
| 386. | 22.50% | Harlem Unit School District 122 / 44,262 |
| 386. | 22.50% | Gardner Community Consolidated School District 72C / 1,663 |
| 386. | 22.50% | Iroquois West Community Unit School District 10 / 4,773 |
| 386. | 22.50% | West Washington County Community Unit District 10 / 4,012 |
| 396. | 22.40% | Valmeyer Community Unit School District 3 / 2,579 |
| 396. | 22.40% | Monroe School District 70 / 3,195 |
| 396. | 22.40% | South Central Community Unit School District 401 / 5,051 |
| 396. | 22.40% | Nettle Creek Community Consolidated School District 24C / 851 |
| 396. | 22.40% | Hinsdale Community Consolidated School District 181 / 26,135 |
| 396. | 22.40% | Ottawa Elementary School District 141 / 19,628 |
| 396. | 22.40% | Cissna Park Community Unit School District 6 / 1,807 |
| 396. | 22.40% | Du Quoin Community Unit School District 300 / 9,591 |
| 396. | 22.40% | Mendota Community Consolidated School District 289 / 11,018 |
| 396. | 22.40% | Waterloo Community Unit School District 5 / 17,772 |
| 406. | 22.30% | Pana Community Unit School District 8 / 8,935 |
| 406. | 22.30% | Whiteside School District 115 / 12,608 |
| 406. | 22.30% | Ashley Community Consolidated School District 15 / 1,836 |
| 406. | 22.30% | Rochelle Township High School District 212 / 16,991 |
| 406. | 22.30% | Libertyville School District 70 / 18,534 |
| 411. | 22.20% | Dakota Community Unit School District 201 / 4,909 |
| 411. | 22.20% | Bourbonnais School District 53 / 23,144 |
| 411. | 22.20% | Tuscola Community Unit School District 301 / 5,759 |
| 411. | 22.20% | Bradley-Bourbonnais Consolidated High School District 307 / 39,974 |
| 411. | 22.20% | Farmington Central Community Unit School District 265 / 7,945 |
| 411. | 22.20% | Tonica Community Consolidated School District 79 / 1,393 |
| 411. | 22.20% | Creston Community Consolidated School District 161 / 1,110 |
| 418. | 22.10% | Paxton-Buckley-Loda Community Unit School District 10 / 8,485 |
| 418. | 22.10% | Ramsey Community Unit School District 204 / 2,709 |
| 418. | 22.10% | Ewing Northern Community Consolidated District 115 / 1,710 |
| 418. | 22.10% | Mazon-Verona-Kinsman Elementary School District 2C / 2,799 |
| 418. | 22.10% | Triad Community Unit School District 2 / 21,195 |
| 418. | 22.10% | Carrier Mills-Stonefort Community Unit School District / 2,962 |
| 418. | 22.10% | Tri-City Community Unit School District 1 / 3,191 |
| 418. | 22.10% | Warren Community Unit School District 205 / 2,969 |
| 418. | 22.10% | Rockton School District 140 / 11,945 |
| 418. | 22.10% | Winnetka School District 36 / 12,008 |
| 428. | 22.00% | Rochelle Community Consolidated District 231 / 13,472 |
| 428. | 22.00% | Belleville School District 118 / 37,394 |
| 428. | 22.00% | Central School District 104 / 4,970 |
| 428. | 22.00% | Alton Community Unit School District 11 / 48,514 |
| 428. | 22.00% | Willow Grove School District 46 / 2,239 |
| 428. | 22.00% | Lisle Community Unit School District 202 / 13,791 |
| 434. | 21.90% | Massac Unit School District 1 / 13,609 |
| 434. | 21.90% | Pearl City Community Unit School District 200 / 2,907 |
| 434. | 21.90% | Pontiac Township High School District 90 / 16,267 |
| 434. | 21.90% | St. Rose School District 14-15 / 1,464 |
| 434. | 21.90% | Albers School District 63 / 1,409 |
| 434. | 21.90% | Teutopolis Community Unit School District 50 / 5,323 |
| 434. | 21.90% | United Township High School District 30 / 39,937 |
| 434. | 21.90% | Grand Ridge Community Consolidated School District 95 / 2,792 |
| 434. | 21.90% | Hall High School District 502 / 9,128 |
| 434. | 21.90% | Malden Community Consolidated School District 84 / 869 |
| 444. | 21.80% | Opdyke-Belle Rive Community Consolidated School District 5 / 2,033 |
| 444. | 21.80% | Nashville Community High School District 99 / 8,905 |
| 444. | 21.80% | Forrestville Valley Community Unit School District 221 / 5,366 |
| 444. | 21.80% | St. Elmo Community Unit School District 202 / 2,784 |
| 444. | 21.80% | Giant City Community Consolidated School District 130 / 2,678 |
| 449. | 21.70% | Herscher Community Unit School District 2 / 10,651 |
| 449. | 21.70% | Fieldcrest Community Unit School District 6 / 6,842 |
| 449. | 21.70% | Rantoul Township High School District 193 / 17,660 |
| 449. | 21.70% | Donovan Community Unit School District 3 / 2,005 |
| 449. | 21.70% | Bond County Community Unit School District 2 / 13,391 |
| 449. | 21.70% | Murphysboro Community Unit School District 186 / 15,544 |
| 449. | 21.70% | Depue Community Unit School District 103 / 1,865 |
| 456. | 21.60% | Waltham Community Consolidated School District 185 / 2,429 |
| 456. | 21.60% | Thompsonville Community Unit School District 174 / 2,161 |
| 456. | 21.60% | Freeburg Community High School District 77 / 13,146 |
| 456. | 21.60% | Wallace Community Consolidated School District 195 / 2,713 |
| 456. | 21.60% | Cowden-Herrick Community Unit School District 3A / 2,582 |
| 456. | 21.60% | Roxana Community Unit School District 1 / 12,372 |
| 462. | 21.50% | Mascoutah Community Unit School District 19 / 17,996 |
| 462. | 21.50% | Pontiac Community Consolidated School District 429 / 13,646 |
| 462. | 21.50% | Monmouth-Roseville Community Unit School District 238 / 11,641 |
| 462. | 21.50% | Trico Community Unit School District 176 / 6,317 |
| 462. | 21.50% | Nashville Consolidated Community School District 49 / 5,710 |
| 462. | 21.50% | Columbia Community Unit School District 4 / 12,542 |
| 462. | 21.50% | Wood River-Hartford Elementary School District 15 / 6,110 |
| 462. | 21.50% | Peru Elementary School District 124 / 10,353 |
| 462. | 21.50% | Western Community Unit School District 12 / 3,670 |
| 462. | 21.50% | Goreville Community Unit School District 1 / 3,882 |
| 462. | 21.50% | Rankin Community School District 98 / 3,228 |
| 462. | 21.50% | DeLand-Weldon Community Unit School District 57 / 1,517 |
| 462. | 21.50% | Name N/A / 1,596 |
| 475. | 21.40% | Belleville Township High School District 201 / 108,125 |
| 475. | 21.40% | LaSalle Elementary School District 122 / 8,895 |
| 475. | 21.40% | Thomasboro Community Consolidated School District 130 / 2,115 |
| 475. | 21.40% | Charleston Community Unit School District 1 / 28,395 |
| 475. | 21.40% | Carrollton Community Unit School District 1 / 4,147 |
| 475. | 21.40% | Western Springs School District 101 / 10,072 |
| 475. | 21.40% | Shawnee Community Unit School District 84 / 2,425 |
| 475. | 21.40% | Edwardsville Community Unit School District 7 / 51,131 |
| 475. | 21.40% | Central Community Unit School District 4 / 6,653 |
| 475. | 21.40% | Princeville Community Unit School District 326 / 4,206 |
| 475. | 21.40% | Rock Island School District 41 / 45,317 |
| 475. | 21.40% | Prairie Central Community Unit School District 8 / 11,089 |
| 475. | 21.40% | LaSalle-Peru Township High School District 120 / 28,956 |
| 475. | 21.40% | Hononegah Community High School District 207 / 32,556 |
| 489. | 21.30% | South Fork School District 14 / 2,601 |
| 489. | 21.30% | Southwestern Community Unit School District 9 / 8,981 |
| 489. | 21.30% | Ashton Community Unit School District 275 / 3,787 |
| 489. | 21.30% | Central City School District 133 / 2,019 |
| 489. | 21.30% | Gillespie Community Unit School District 7 / 7,873 |
| 489. | 21.30% | East Peoria School District 86 / 18,966 |
| 489. | 21.30% | Iuka Community Consolidated School District 7 / 1,930 |
| 489. | 21.30% | Pontiac-William Holliday School District 105 / 7,796 |
| 489. | 21.30% | Hoopeston Area Community Unit School District 11 / 7,178 |
| 489. | 21.30% | Bradley School District 61 / 13,139 |
| 499. | 21.20% | Kinnikinnick Community Consolidated School District 131 / 13,664 |
| 499. | 21.20% | Streator Township High School District 40 / 18,378 |
| 499. | 21.20% | Bushnell-Prairie City Community Unit School District 170 / 4,230 |
| 499. | 21.20% | Mahomet-Seymour Community Unit School District 3 / 14,271 |
| 499. | 21.20% | Arcola Consolidated Unit School District 306 / 4,441 |
| 499. | 21.20% | Putnam County Community Unit School District 535 / 5,514 |
| 499. | 21.20% | Zeigler-Royalton Community Unit School District 188 / 4,186 |
| 499. | 21.20% | Collinsville Community Unit School District 10 / 48,076 |
| 499. | 21.20% | Moline Unit School District 40 / 48,280 |
| 508. | 21.10% | Harmony Emge School District 175 / 10,158 |
| 508. | 21.10% | Washington School District 52 / 8,357 |
| 508. | 21.10% | Midwest Central Community Unit School District 191 / 6,175 |
| 508. | 21.10% | Metamora Township High School District 122 / 16,360 |
| 508. | 21.10% | Wethersfield Community Unit School District 230 / 3,974 |
| 508. | 21.10% | Urbana School District 116 / 50,963 |
| 508. | 21.10% | Limestone Walters Community Consolidated School District 316 / 2,067 |
| 508. | 21.10% | Streator Elementary School District 44 / 16,545 |
| 516. | 21.00% | Dongola School Unit District 66 / 2,027 |
| 516. | 21.00% | Henry-Senachwine Consolidated Unit School District 5 / 3,383 |
| 518. | 20.90% | Oak Grove School District 68 / 3,692 |
| 518. | 20.90% | Flora Community Unit School District 35 / 8,030 |
| 518. | 20.90% | East Alton-Wood River Community High School District 14 / 13,730 |
| 518. | 20.90% | Williamsville Community Unit School District 15 / 7,871 |
| 518. | 20.90% | Ladd Community Consolidated School District 94 / 1,817 |
| 518. | 20.90% | Erie Community Unit School District 1 / 3,347 |
| 518. | 20.90% | Montmorency Community Consolidated School District 145 / 2,745 |
| 518. | 20.90% | Seneca Township High School District 160 / 7,356 |
| 518. | 20.90% | Stewardson-Strasburg Community Unit District 5A / 2,404 |
| 527. | 20.80% | Grand Prairie Community Consolidated School District 6 / 806 |
| 527. | 20.80% | Blue Ridge Community Unit School District 18 / 5,126 |
| 527. | 20.80% | Byron Community Unit School District 226 / 7,955 |
| 527. | 20.80% | Bloomington School District 87 / 44,445 |
| 527. | 20.80% | East Alton School District 13 / 7,620 |
| 527. | 20.80% | Dupo Community Unit School District 196 / 7,209 |
| 527. | 20.80% | St. Joseph Community Consolidated School District 169 / 6,142 |
| 527. | 20.80% | Freeport School District 145 / 30,082 |
| 527. | 20.80% | Dalzell School District 98 / 740 |
| 536. | 20.70% | Armstrong Township High School District 225 / 1,455 |
| 536. | 20.70% | Potomac Community Unit School District 10 / 1,179 |
| 536. | 20.70% | Princeton High School District 500 / 12,376 |
| 536. | 20.70% | Dunlap Community Unit School District 323 / 21,236 |
| 536. | 20.70% | Freeburg Community Consolidated School District 70 / 7,714 |
| 536. | 20.70% | Litchfield Community Unit School District 12 / 8,873 |
| 536. | 20.70% | Westville Community Unit School District 2 / 6,818 |
| 543. | 20.60% | Field Community Consolidated School District 3 / 2,768 |
| 543. | 20.60% | East Peoria Community High School District 309 / 26,544 |
| 543. | 20.60% | Princeton Elementary School District 115 / 11,523 |
| 543. | 20.60% | Morrison Community Unit School District 6 / 6,664 |
| 543. | 20.60% | New Simpson Hill Consolidated District 32 / 2,765 |
| 543. | 20.60% | Lena-Winslow Community Unit School District 202 / 4,906 |
| 543. | 20.60% | Prophetstown-Lyndon-Tampico Community Unit School District 3 / 5,585 |
| 543. | 20.60% | Farrington Community Consolidated School District 99 / 621 |
| 543. | 20.60% | West Carroll Community Unit School District 314 / 8,557 |
| 552. | 20.50% | Frankfort Community Unit School District 168 / 11,868 |
| 552. | 20.50% | Shelbyville Community Unit School District 4 / 7,911 |
| 552. | 20.50% | Dodds Community Consolidated School District 7 / 1,374 |
| 552. | 20.50% | Deer Creek-Mackinaw Community Unit School District 701 / 5,807 |
| 552. | 20.50% | Woodlawn Community High School District 205 / 3,230 |
| 557. | 20.40% | Illinois Valley Central Unit School District 321 / 13,507 |
| 557. | 20.40% | Carbondale Elementary School District 95 / 27,528 |
| 557. | 20.40% | McClellan Community Consolidated School District 12 / 860 |
| 557. | 20.40% | Eswood Community Consolidated District 269 / 743 |
| 557. | 20.40% | Rossville-Alvin Community Unit School District 7 / 2,546 |
| 557. | 20.40% | Staunton Community Unit School District 6 / 8,400 |
| 557. | 20.40% | Winnebago Community Unit School District 323 / 8,216 |
| 557. | 20.40% | Le Roy Community Unit School District 2 / 4,619 |
| 557. | 20.40% | Elmwood Community Unit School District 322 / 3,872 |
| 557. | 20.40% | Hollis Consolidated School District 328 / 781 |
| 567. | 20.30% | Peoria Heights Community Unit School District 325 / 6,914 |
| 567. | 20.30% | Tolono Community Unit School District 7 / 9,537 |
| 567. | 20.30% | Waltonville Community Unit School District 1 / 2,067 |
| 567. | 20.30% | Quincy School District 172 / 51,109 |
| 567. | 20.30% | Red Bud Community Unit School District 132 / 7,965 |
| 567. | 20.30% | Villa Grove Community Unit School District 302 / 3,973 |
| 567. | 20.30% | Lostant Community Unit School District 425 / 748 |
| 567. | 20.30% | Armstrong-Ellis Consolidated School District 61 / 956 |
| 567. | 20.30% | Selmaville Community Consolidated School District 10 / 1,960 |
| 567. | 20.30% | Egyptian Community Unit School District 5 / 3,709 |
| 567. | 20.30% | Benton Consolidated High School District 103 / 12,420 |
| 578. | 20.20% | Ohio Community High School District 505 / 745 |
| 578. | 20.20% | Tri-Valley Community Unit School District 3 / 4,882 |
| 578. | 20.20% | Aviston School District 21 / 2,837 |
| 578. | 20.20% | Ohio Community Consolidated School District 17 / 736 |
| 578. | 20.20% | El Paso-Gridley Community Unit School District 11 / 7,195 |
| 578. | 20.20% | Hillsboro Community Unit School District 3 / 14,713 |
| 578. | 20.20% | Germantown Hills School District 69 / 6,329 |
| 578. | 20.20% | Riverview Consolidated Community School District 2 / 2,986 |
| 586. | 20.10% | Robein School District 85 / 1,990 |
| 586. | 20.10% | Limestone Community High School District 310 / 22,599 |
| 586. | 20.10% | Atwood-Hammond Community Unit School District 39 / 2,444 |
| 586. | 20.10% | Altamont Community Unit School District 10 / 4,959 |
| 586. | 20.10% | V.I.T. Community Unit School District 2 / 2,461 |
| 586. | 20.10% | Triopia Community Unit School District 27 / 2,373 |
| 586. | 20.10% | Signal Hill School District 181 / 3,481 |
| 586. | 20.10% | Champaign Community Unit School District 4 / 95,918 |
| 586. | 20.10% | Peoria School District 150 / 101,620 |
| 586. | 20.10% | Pope County Community Unit School District 1 / 4,362 |
| 586. | 20.10% | Highland Community Unit School District 5 / 18,392 |
| 597. | 20.00% | La Moille Community Unit School District 303 / 1,794 |
| 597. | 20.00% | Bethalto Consolidated Unit School District 8 / 15,879 |
| 597. | 20.00% | Red Hill Community Unit School District 10 / 9,035 |
| 597. | 20.00% | Norwood Elementary School District 63 / 3,616 |
| 597. | 20.00% | Oglesby Elementary School District 125 / 4,771 |
| 597. | 20.00% | Edwards County Community Unit School District 1 / 5,879 |
| 597. | 20.00% | Schuyler-Industry Community Unit School District 5 / 7,745 |
| 597. | 20.00% | Sesser-Valier Community Unit School District 196 / 4,212 |
| 597. | 20.00% | St. Joseph-Ogden Community High School District 305 / 8,276 |
| 597. | 20.00% | Wesclin Community Unit School District 3 / 7,971 |
| 607. | 19.90% | Wolf Branch School District 113 / 7,789 |
| 607. | 19.90% | Eldorado Community Unit School District 4 / 7,286 |
| 607. | 19.90% | Prairie Hill Community Consolidated School District 133 / 5,451 |
| 607. | 19.90% | Mount Vernon School District 80 / 13,934 |
| 607. | 19.90% | Washington Community High School District 308 / 23,857 |
| 607. | 19.90% | O'Fallon Township High School District 203 / 40,469 |
| 607. | 19.90% | Midland Community Unit School District 7 / 5,510 |
| 607. | 19.90% | Paris Community Unit School District 4 / 3,997 |
| 607. | 19.90% | Jersey Community Unit School District 100 / 20,185 |
| 607. | 19.90% | Carbondale Community High School District 165 / 37,544 |
| 607. | 19.90% | Beardstown Community Unit School District 15 / 7,941 |
| 607. | 19.90% | Havana Community Unit School District 126 / 6,545 |
| 607. | 19.90% | O'Fallon Community Consolidated School District 90 / 29,590 |
| 607. | 19.90% | Pleasant Plains Community Unit School District 8 / 8,049 |
| 607. | 19.90% | Effingham Community Unit School District 40 / 20,319 |
| 607. | 19.90% | Dwight Township High School District 230 / 6,859 |
| 607. | 19.90% | Carterville Community Unit School District 5 / 11,927 |
| 624. | 19.80% | Morrisonville Community Unit School District 1 / 1,682 |
| 624. | 19.80% | Delavan Community Unit School District 703 / 2,593 |
| 624. | 19.80% | Sandoval Community Unit School District 501 / 2,560 |
| 624. | 19.80% | Martinsville Community Unit School District 3C / 2,335 |
| 624. | 19.80% | Ball-Chatham Community Unit School District 5 / 27,509 |
| 624. | 19.80% | Sullivan Community Unit School District 300 / 7,387 |
| 624. | 19.80% | Pekin Public School District108 / 34,388 |
| 624. | 19.80% | East Dubuque Community Unit School District 119 / 4,393 |
| 624. | 19.80% | Oregon Community Unit School District 220 / 10,684 |
| 624. | 19.80% | Riverdale Community Unit School District 100 / 6,402 |
| 624. | 19.80% | Marshall Community Unit School District 2C / 8,115 |
| 624. | 19.80% | Pleasant Hill Community Unit School District 3 / 1,977 |
| 624. | 19.80% | Galesburg Community Unit School District 205 / 34,850 |
| 624. | 19.80% | Mattoon Community Unit School District 2 / 23,177 |
| 624. | 19.80% | Beecher City Community Unit School District 20 / 2,571 |
| 624. | 19.80% | Pikeland Community Unit School District 10 / 8,684 |
| 640. | 19.70% | Georgetown-Ridge Farm Consolidated Unit School District 4 / 6,788 |
| 640. | 19.70% | Dwight Common School District 232 / 6,628 |
| 640. | 19.70% | Waverly Community Unit School District 6 / 1,885 |
| 640. | 19.70% | Carthage Elementary School District 317 / 4,157 |
| 640. | 19.70% | Danville Community Consolidated School District 118 / 38,933 |
| 640. | 19.70% | Mount Olive Community Unit School District 5 / 3,362 |
| 640. | 19.70% | United Community School District 304 / 5,873 |
| 640. | 19.70% | Eureka Community Unit District 140 / 9,835 |
| 640. | 19.70% | Springfield School District 186 / 113,609 |
| 640. | 19.70% | Williamsfield Community Unit School District 210 / 1,910 |
| 640. | 19.70% | Kewanee Community Unit School District 229 / 10,897 |
| 640. | 19.70% | Argenta-Oreana Community Unit School District 1 / 3,854 |
| 640. | 19.70% | Mercer County School District 404 / 8,463 |
| 640. | 19.70% | Seneca Community Consolidated School District 170 / 3,778 |
| 654. | 19.60% | McLean County Unit School District 5 / 97,056 |
| 654. | 19.60% | Salem Community High School District 600 / 15,043 |
| 654. | 19.60% | Carlyle Community Unit School District 1 / 9,775 |
| 654. | 19.60% | Central Community High School District 71 / 16,730 |
| 654. | 19.60% | Pekin Community High School District 303 / 45,857 |
| 654. | 19.60% | Mount Vernon Township High School District 201 / 29,843 |
| 654. | 19.60% | Illini Central Community Unit School District 189 / 4,718 |
| 654. | 19.60% | Bureau Valley Community Unit School District 340 / 7,195 |
| 654. | 19.60% | Wabash Community Unit School District 348 / 10,610 |
| 654. | 19.60% | Dixon Unit School District 170 / 22,133 |
| 664. | 19.50% | Liberty Community Unit School District 2 / 3,201 |
| 664. | 19.50% | Marion Community Unit School District 2 / 27,844 |
| 664. | 19.50% | Vandalia Community Unit School District 203 / 11,080 |
| 664. | 19.50% | Carlinville Community Unit School District 1 / 9,633 |
| 664. | 19.50% | Woodlawn Community Consolidated School District 4 / 2,771 |
| 664. | 19.50% | Porta Community Unit School District 202 / 7,234 |
| 664. | 19.50% | Lexington Community Unit School District 7 / 3,063 |
| 664. | 19.50% | Cornell Community Consolidated School District 426 / 869 |
| 664. | 19.50% | Flanagan-Cornell District 74 in Cornell / 869 |
| 664. | 19.50% | Hampton School District 29 / 2,357 |
| 664. | 19.50% | Grant Community Consolidated School District 110 / 7,600 |
| 664. | 19.50% | Bethel School District 82 / 1,072 |
| 664. | 19.50% | Greenview Community Unit School District 200 / 1,692 |
| 664. | 19.50% | New Athens Community Unit School District 60 / 3,561 |
| 664. | 19.50% | Community Unit School District 16 / 6,213 |
| 664. | 19.50% | Oakwood Community Unit School District 76 / 6,158 |
| 664. | 19.50% | Grayville Community Unit School District 1 / 1,960 |
| 681. | 19.40% | Bunker Hill Community Unit School District 8 / 4,468 |
| 681. | 19.40% | Raccoon Consolidated School District 1 / 2,489 |
| 681. | 19.40% | Pleasant Valley School District 62 / 4,868 |
| 681. | 19.40% | Mount Zion Community Unit School District 3 / 12,245 |
| 681. | 19.40% | Lebanon Community Unit School District 9 / 5,305 |
| 681. | 19.40% | Benton Community Consolidated School District 47 / 10,031 |
| 681. | 19.40% | Bradford Community Unit School District 1 / 1,654 |
| 681. | 19.40% | ROWVA Community Unit School District 208 / 3,834 |
| 681. | 19.40% | Shiloh Community Unit School District 1 / 2,965 |
| 681. | 19.40% | Bismarck-Henning Consolidated Unit School District / 5,065 |
| 681. | 19.40% | Rome Community Consolidated School District 2 / 2,519 |
| 681. | 19.40% | Griggsville-Perry Community Unit School District 4 / 2,079 |
| 681. | 19.40% | Morton Community Unit School District 709 / 18,942 |
| 681. | 19.40% | Centralia High School District 200 / 21,153 |
| 681. | 19.40% | District 50 Schools / 7,496 |
| 681. | 19.40% | Galva Community Unit School District 224 / 3,413 |
| 681. | 19.40% | Kansas Community Unit School District 3 / 1,565 |
| 681. | 19.40% | Pleasant Hill School District 69 / 1,831 |
| 681. | 19.40% | Geneseo Community Unit School District 228 / 15,989 |
| 700. | 19.30% | Gifford Community Consolidated School District 188 / 1,795 |
| 700. | 19.30% | Cherry School District 92 / 564 |
| 700. | 19.30% | Cambridge Community Unit School District 227 / 2,861 |
| 700. | 19.30% | Coulterville Unit School District 1 / 1,711 |
| 700. | 19.30% | Ridgeview Community Unit School District 19 / 3,350 |
| 700. | 19.30% | Paris-Union School District 95 / 8,469 |
| 700. | 19.30% | Tri-Point Community Unit School District 6-J / 3,173 |
| 700. | 19.30% | Central School District 51 / 8,004 |
| 700. | 19.30% | Sherrard Community Unit School District 200 / 9,755 |
| 700. | 19.30% | Spring Lake Community Consolidated School District 606 / 639 |
| 700. | 19.30% | Sterling Community Unit District 5 / 21,850 |
| 711. | 19.20% | Carbon Cliff-Barstow School District 36 / 1,812 |
| 711. | 19.20% | Pawnee Community Unit School District 11 / 3,304 |
| 711. | 19.20% | Salem School District 111 / 8,695 |
| 711. | 19.20% | Neoga Community Unit School District 3 / 5,140 |
| 711. | 19.20% | Pinckneyville Community High School District 101 / 10,799 |
| 711. | 19.20% | Centralia School District 135 / 13,320 |
| 711. | 19.20% | South Pekin School District 137 / 1,830 |
| 711. | 19.20% | Jacksonville School District 117 / 28,184 |
| 711. | 19.20% | West Central Community Unit School District 235 / 6,052 |
| 711. | 19.20% | Astoria Community Unit School District 1 / 2,118 |
| 711. | 19.20% | Vienna High School District 133 / 8,921 |
| 711. | 19.20% | Decatur School District 61 / 71,435 |
| 711. | 19.20% | Maroa-Forsyth Community Unit School District 2 / 6,417 |
| 711. | 19.20% | Webber Township High School District 204 / 2,946 |
| 711. | 19.20% | Deer Park Community Consolidated School District 82 / 718 |
| 711. | 19.20% | Illini Bluffs Community Unit School District 327 / 6,133 |
| 711. | 19.20% | Hamilton Community Consolidated School District 328 / 3,870 |
| 711. | 19.20% | Harrisburg Community Unit School District 3 / 12,763 |
| 711. | 19.20% | Heyworth Community Unit School District 4 / 4,831 |
| 730. | 19.10% | Granite City Community Unit School District 9 / 43,198 |
| 730. | 19.10% | Orion Community Unit School District 223 / 6,078 |
| 730. | 19.10% | Breese School District 12 / 7,258 |
| 730. | 19.10% | Name N/A / 5,592 |
| 730. | 19.10% | River Bend Community Unit District 2 / 6,722 |
| 730. | 19.10% | Anna Jonesboro Community High School District 81 / 10,764 |
| 730. | 19.10% | Canton Union School District 66 / 17,530 |
| 730. | 19.10% | Brown County Community Unit School District 1 / 6,872 |
| 730. | 19.10% | Camp Point Community Unit School District 3 / 4,876 |
| 730. | 19.10% | Community Unit School District 4 / 3,814 |
| 730. | 19.10% | Windsor Community Unit School District 1 / 2,889 |
| 741. | 19.00% | Greenfield Community Unit School District 10 / 3,094 |
| 741. | 19.00% | Germantown School District 60 / 1,714 |
| 741. | 19.00% | Lowpoint-Washburn Community Unit School District 21 / 2,511 |
| 741. | 19.00% | Pinckneyville School District 50 / 6,531 |
| 741. | 19.00% | Vienna School District 55 / 4,547 |
| 741. | 19.00% | Scott-Morgan Consolidated Unit School District 2 / 1,485 |
| 741. | 19.00% | Carmi-White County Community Unit School District 5 / 9,150 |
| 741. | 19.00% | Sparta Community Unit School District 140 / 8,407 |
| 741. | 19.00% | Shiloh Village School District 85 / 4,953 |
| 741. | 19.00% | Casey-Westfield Community Unit School District 4C / 5,922 |
| 741. | 19.00% | Southeastern Community Unit School District 337 / 3,067 |
| 741. | 19.00% | Olympia Community Unit School District 16 / 11,585 |
| 741. | 19.00% | Cumberland Community Unit School District 77 / 6,411 |
| 741. | 19.00% | Galatia Community Unit School District 1 / 2,183 |
| 741. | 19.00% | Allen Township Community Consolidated School District 65 / 820 |
| 741. | 19.00% | Robinson Community Unit School District 2 / 11,988 |
| 741. | 19.00% | Clinton Community Unit School District 15 / 12,177 |
| 758. | 18.90% | Rockridge Community Unit School District 300 / 7,224 |
| 758. | 18.90% | Elverado Community Unit School District 196 / 2,981 |
| 758. | 18.90% | De Soto Consolidated School District 86 / 1,900 |
| 758. | 18.90% | Gallatin Community Unit School District 7 / 5,212 |
| 758. | 18.90% | Panhandle Community Unit School District 2 / 2,280 |
| 758. | 18.90% | Jamaica Community Unit School District 12 / 2,311 |
| 758. | 18.90% | Johnston City Community Unit School District 1 / 7,321 |
| 758. | 18.90% | Illini West High School District 307 / 8,403 |
| 758. | 18.90% | Prairieview-Ogden Community Consolidated School District 197 / 2,416 |
| 758. | 18.90% | New Hope Community Consolidated School District 6 / 1,512 |
| 758. | 18.90% | Marissa Community Unit School District 40 / 3,476 |
| 769. | 18.80% | Stark County Community Unit School District 100 / 4,688 |
| 769. | 18.80% | Auburn Community Unit School District 10 / 6,990 |
| 769. | 18.80% | Palestine Community Unit School District 3 / 2,464 |
| 769. | 18.80% | Herrin Community Unit School District 4 / 16,423 |
| 769. | 18.80% | Jasper County Community Unit School District 1 / 9,430 |
| 769. | 18.80% | St. Libory Consolidated School District 30 / 869 |
| 775. | 18.70% | Chadwick-Milledgeville Community Unit School District 399 / 2,956 |
| 775. | 18.70% | Fulton County Community Unit School District 3 / 3,605 |
| 775. | 18.70% | Alwood Community Unit School District 225 / 2,643 |
| 775. | 18.70% | Hamilton County Community Unit School District 10 / 7,794 |
| 775. | 18.70% | West Prairie Community Unit School District 103 / 4,809 |
| 775. | 18.70% | Bartelso School District 57 / 1,292 |
| 775. | 18.70% | Northwestern Community Unit School District 2 / 2,079 |
| 775. | 18.70% | East Richland Community Unit School District 1 / 14,132 |
| 775. | 18.70% | Heritage Community Unit School District 8 / 2,978 |
| 775. | 18.70% | North Pekin-Marquette Heights School District 102 / 4,954 |
| 775. | 18.70% | Damiansville School District 62 / 756 |
| 775. | 18.70% | Fairfield Community High School District 225 / 10,034 |
| 775. | 18.70% | Joppa-Maple Grove Unit District 38 / 1,492 |
| 775. | 18.70% | Oakland Community Unit School District 5 / 1,856 |
| 789. | 18.60% | Warsaw Community Unit School District 316 / 2,539 |
| 789. | 18.60% | A-C Central Community Unit School District 262 / 2,574 |
| 789. | 18.60% | Anna Community Consolidated School District 37 / 6,410 |
| 789. | 18.60% | Jasper Community Consolidated School District 17 / 1,457 |
| 793. | 18.50% | Hardin County Community Unit School District 1 / 4,226 |
| 793. | 18.50% | Chester Community Unit School District 139 / 11,183 |
| 793. | 18.50% | Creve Coeur School District 76 / 6,406 |
| 793. | 18.50% | Knoxville Community Unit School District 202 / 6,260 |
| 793. | 18.50% | Bluford Community Consolidated School District 114 / 2,556 |
| 793. | 18.50% | Okaw Valley Community Unit School District 302 / 3,423 |
| 793. | 18.50% | Meridian Community Unit School District 15 / 6,569 |
| 800. | 18.40% | Bement Community Unit School District 5 / 2,521 |
| 800. | 18.40% | North Clay Community Unit School District 25 / 3,746 |
| 800. | 18.40% | Jonesboro Community Consolidated School District 43 / 2,834 |
| 803. | 18.30% | Fairfield Public School District 112 / 6,126 |
| 803. | 18.30% | High Mount School District 116 / 4,027 |
| 803. | 18.30% | Catlin Community Unit School District 5 / 3,113 |
| 803. | 18.30% | Name N/A / 8,695 |
| 807. | 18.20% | Roanoke-Benson Community Unit School District 60 / 3,332 |
| 807. | 18.20% | La Harpe Community School District 347 / 2,240 |
| 807. | 18.20% | Lincoln Elementary School District 27 / 13,053 |
| 807. | 18.20% | Community Consolidated School District 204 / 3,614 |
| 807. | 18.20% | Winchester Community Unit School District 1 / 3,769 |
| 807. | 18.20% | North Greene Unit School District 3 / 6,089 |
| 807. | 18.20% | Brimfield Community Unit School District 309 / 3,862 |
| 807. | 18.20% | Central A & M Community Unit School District 21 / 4,955 |
| 807. | 18.20% | Warrensburg-Latham Community Unit District 11 / 6,160 |
| 816. | 18.10% | Bartonville School District 66 / 2,549 |
| 816. | 18.10% | Riverton Community Unit School District 14 / 7,959 |
| 816. | 18.10% | Mount Pulaski Community Unit District 23 / 3,055 |
| 816. | 18.10% | Monticello Community Unit School District 25 / 8,965 |
| 816. | 18.10% | Sangamon Valley Community Unit School District 9 / 4,136 |
| 816. | 18.10% | Rochester Community Unit School District 3A / 10,780 |
| 816. | 18.10% | Colona School District 190 / 3,660 |
| 816. | 18.10% | Athens Community Unit School District 213 / 5,000 |
| 824. | 18.00% | Lincoln Community High School District 404 / 23,979 |
| 824. | 18.00% | Franklin Community Unit School District 1 / 2,004 |
| 824. | 18.00% | Lewistown Community Unit School District 97 / 4,892 |
| 827. | 17.90% | Dallas Elementary School District 327 / 2,006 |
| 827. | 17.90% | Payson Community Unit School District 1 / 3,956 |
| 827. | 17.90% | West Lincoln-Broadwell Elementary School District 92 / 4,963 |
| 827. | 17.90% | Taylorville Community Unit School District 3 / 18,760 |
| 827. | 17.90% | Summersville School District 79 / 1,880 |
| 832. | 17.80% | Chester-East Lincoln Community Csd 61 / 5,048 |
| 832. | 17.80% | Wayne City Community Unit School District 100 / 3,702 |
| 832. | 17.80% | Dieterich Community Unit School District 30 / 2,499 |
| 832. | 17.80% | Milford Township High School District 233 / 3,975 |
| 832. | 17.80% | Virginia Community Unit School District 64 / 2,023 |
| 832. | 17.80% | Milford Community Consolidated School District 280 / 3,975 |
| 838. | 17.70% | Brownstown Community Unit School District 201 / 1,961 |
| 838. | 17.70% | Cerro Gordo Community Unit School District 100 / 2,903 |
| 840. | 17.60% | Flanagan-Cornell District 74 / 1,727 |
| 840. | 17.60% | Patoka Community Unit School District 100 / 1,692 |
| 842. | 17.50% | Edgar County Community Unit District 6 / 2,415 |
| 842. | 17.50% | Unity Point Community Consolidated School District 140 / 5,438 |
| 842. | 17.50% | Macomb Community Unit School District 185 / 22,464 |
| 842. | 17.50% | Cypress School District 64 / 888 |
| 846. | 17.40% | Ina Community Consolidated School District 8 / 3,060 |
| 847. | 17.30% | Lawrence County Community Unit District 20 / 7,744 |
| 847. | 17.30% | Gibson City-Melvin-Sibley Community Unit School District 5 / 5,896 |
| 847. | 17.30% | Norris City-Omaha-Enfield Community Unit School District 3 / 4,586 |
| 850. | 17.20% | Woodland Community Unit School District 5 / 2,753 |
| 850. | 17.20% | Century Community Unit School District 100 / 2,442 |
| 852. | 17.10% | Hartsburg-Emden Community Unit School District 21 / 1,063 |
| 853. | 17.00% | Spoon River Valley Community Unit School District 4 / 2,505 |
| 854. | 16.90% | Kell Consolidated School District 2 / 993 |
| 855. | 16.80% | Oblong Community Unit School District 4 / 3,764 |
| 856. | 16.70% | Edinburg Community Unit School District 4 / 1,949 |
| 857. | 16.60% | Buncombe Consolidated School District 43 / 721 |
| 858. | 16.40% | Allendale Community Consolidated School District 17 / 1,120 |
| 858. | 16.40% | Christopher Community Unit School District 99 / 5,139 |
| 860. | 16.30% | Hutsonville Community Unit School District 1 / 2,100 |
| 860. | 16.30% | Nokomis Community Unit School District 22 / 3,925 |
| 862. | 15.10% | Irvington County Community Unit School District 11 / 833 |
| 863. | 14.40% | New Holland-Middletown Elementary School District 88 / 915 |
Please note that we only rank locations with 'Median Percentage of Income for House with Mortgage' data. The rank above might not be a complete list. Locations without 'Median Percentage of Income for House with Mortgage' data are not listed.
