| Rank | Percentage of Population Age 55 to 64 ▼ | School District / Population |
| 1. | 100.0% | Flanagan-Cornell District 74 in Rooks Creek / 2 |
| 2. | 21.8% | Scales Mound Community Unit School District 211 / 1,668 |
| 3. | 20.2% | Armstrong-Ellis Consolidated School District 61 / 906 |
| 4. | 20.0% | Butler School District 53 / 4,918 |
| 5. | 20.0% | Flanagan-Cornell District 74 in Pontiac / 25 |
| 6. | 19.9% | Shirland Community Consolidated School District 134 / 1,379 |
| 7. | 19.2% | Pleasantdale School District 107 / 8,144 |
| 8. | 18.8% | River Ridge Community Unit School District 210 / 3,724 |
| 9. | 18.8% | McClellan Community Consolidated School District 12 / 815 |
| 10. | 18.5% | Lick Creek Community Consolidated School District 16 / 1,232 |
| 11. | 18.4% | Nettle Creek Community Consolidated School District 24C / 929 |
| 12. | 18.2% | Armstrong Township High School District 225 / 1,421 |
| 13. | 18.0% | Northbrook Elementary School District 27 / 10,997 |
| 14. | 18.0% | Grand Prairie Community Consolidated School District 6 / 885 |
| 15. | 17.9% | Williamsfield Community Unit School District 210 / 1,802 |
| 16. | 17.9% | Nelson Public School District 8 / 358 |
| 17. | 17.8% | Hampton School District 29 / 2,142 |
| 18. | 17.7% | Center Cass School District 66 / 11,145 |
| 19. | 17.6% | Limestone Walters Community Consolidated School District 316 / 1,877 |
| 20. | 17.5% | Grass Lake School District 36 / 2,636 |
| 21. | 17.5% | Kings Consolidated School District 144 / 1,007 |
| 22. | 17.3% | Galena Unit School District 120 / 6,050 |
| 23. | 17.2% | Avoca School District 37 / 6,248 |
| 24. | 17.1% | Palos Community Consolidated School District 118 / 23,391 |
| 25. | 17.1% | Fulton County Community Unit School District 3 / 3,447 |
| 26. | 17.1% | Dallas Elementary School District 327 / 2,073 |
| 27. | 17.0% | Paris Community Unit School District 4 / 4,747 |
| 28. | 16.9% | Nauvoo-Colusa Community Unit School District 325 / 2,297 |
| 28. | 16.9% | Riverdale Community Unit School District 100 / 6,832 |
| 30. | 16.8% | Emmons School District 33 / 3,309 |
| 31. | 16.8% | LaGrange Highlands School District 106 / 9,306 |
| 32. | 16.7% | Gower School District 62 / 9,627 |
| 33. | 16.6% | Raccoon Consolidated School District 1 / 2,369 |
| 34. | 16.6% | Bethel School District 82 / 1,205 |
| 35. | 16.5% | Eastland Community Unit School District 308 / 4,268 |
| 36. | 16.5% | Hardin County Community Unit School District 1 / 4,328 |
| 37. | 16.5% | Riley Community Consolidated School District 18 / 3,398 |
| 38. | 16.4% | Rockridge Community Unit School District 300 / 7,392 |
| 39. | 16.4% | Riverview Consolidated Community School District 2 / 2,648 |
| 40. | 16.4% | Franklin Community Unit School District 1 / 1,980 |
| 41. | 16.4% | Spring Lake Community Consolidated School District 606 / 739 |
| 42. | 16.4% | Miller Township Community Consolidated School District / 2,337 |
| 43. | 16.2% | Union School District 81 / 1,480 |
| 44. | 16.2% | Bloomingdale School District 13 / 13,545 |
| 45. | 16.2% | Henry-Senachwine Consolidated Unit School District 5 / 4,000 |
| 46. | 16.1% | Winfield School District 34 / 4,099 |
| 47. | 16.1% | Prospect Heights School District 23 / 17,777 |
| 47. | 16.1% | Riverdale School District 14 / 1,101 |
| 49. | 16.1% | Goreville Community Unit School District 1 / 3,748 |
| 50. | 16.0% | Deer Park Community Consolidated School District 82 / 748 |
| 51. | 16.0% | Rondout School District 72 / 1,740 |
| 52. | 16.0% | Midland Community Unit School District 7 / 5,415 |
| 53. | 16.0% | Monroe School District 70 / 3,194 |
| 54. | 15.9% | New Holland-Middletown Elementary School District 88 / 1,152 |
| 55. | 15.9% | Avon Community Unit School District 176 / 1,728 |
| 56. | 15.8% | Northbrook/Glenview School District 30 / 10,957 |
| 57. | 15.8% | Okaw Valley Community Unit School District 302 / 3,420 |
| 57. | 15.8% | Illini Bluffs Community Unit School District 327 / 5,662 |
| 59. | 15.8% | Pleasant Plains Community Unit School District 8 / 7,634 |
| 59. | 15.8% | Woodland Community Unit School District 5 / 3,124 |
| 61. | 15.8% | Benjamin School District 25 / 6,927 |
| 62. | 15.7% | Dalzell School District 98 / 765 |
| 63. | 15.7% | East Prairie School District 73 / 4,617 |
| 64. | 15.7% | West Carroll Community Unit School District 314 / 8,701 |
| 64. | 15.7% | Rutland Community Consolidated School District 230 / 843 |
| 66. | 15.7% | Orion Community Unit School District 223 / 5,995 |
| 67. | 15.6% | Montmorency Community Consolidated School District 145 / 2,603 |
| 68. | 15.6% | Cass School District 63 / 8,331 |
| 69. | 15.6% | Shiloh Community Unit School District 1 / 2,803 |
| 69. | 15.6% | Willow Grove School District 46 / 2,053 |
| 71. | 15.5% | Knoxville Community Unit School District 202 / 6,269 |
| 72. | 15.5% | Mount Olive Community Unit School District 5 / 3,471 |
| 73. | 15.5% | Durand Community Unit School District 322 / 4,010 |
| 74. | 15.5% | United Community School District 304 / 6,125 |
| 75. | 15.4% | Hamilton Community Consolidated School District 328 / 4,038 |
| 76. | 15.4% | DeLand-Weldon Community Unit School District 57 / 1,431 |
| 76. | 15.4% | Pope County Community Unit School District 1 / 4,470 |
| 76. | 15.4% | Winthrop Harbor School District 1 / 6,628 |
| 79. | 15.3% | Milford Township High School District 233 / 3,971 |
| 79. | 15.3% | Milford Community Consolidated School District 280 / 3,971 |
| 81. | 15.3% | Lake Forest School District 67 / 19,064 |
| 81. | 15.3% | Buncombe Consolidated School District 43 / 693 |
| 83. | 15.3% | Flanagan-Cornell District 74 in Cornell / 1,087 |
| 83. | 15.3% | Cornell Community Consolidated School District 426 / 1,087 |
| 85. | 15.3% | Golf Elementary School District 67 / 6,738 |
| 86. | 15.2% | Hollis Consolidated School District 328 / 715 |
| 87. | 15.2% | Dodds Community Consolidated School District 7 / 1,301 |
| 88. | 15.2% | La Moille Community Unit School District 303 / 1,769 |
| 89. | 15.2% | Carrier Mills-Stonefort Community Unit School District / 2,862 |
| 90. | 15.2% | Sunset Ridge School District 29 / 4,166 |
| 91. | 15.2% | Crescent Iroquois Community Unit School District 249 / 1,100 |
| 91. | 15.2% | East Coloma School District 12 / 2,582 |
| 91. | 15.2% | Skokie School District 73-5 / 9,851 |
| 91. | 15.2% | V.I.T. Community Unit School District 2 / 2,259 |
| 95. | 15.2% | Field Community Consolidated School District 3 / 2,445 |
| 96. | 15.2% | ROWVA Community Unit School District 208 / 3,879 |
| 96. | 15.2% | Akin Community Consolidated School District 91 / 805 |
| 96. | 15.2% | Bismarck-Henning Consolidated Unit School District / 4,644 |
| 96. | 15.2% | Palos Heights School District 128 / 10,275 |
| 100. | 15.1% | Warsaw Community Unit School District 316 / 2,653 |
| 100. | 15.1% | Porta Community Unit School District 202 / 7,122 |
| 102. | 15.1% | Chadwick-Milledgeville Community Unit School District 399 / 3,021 |
| 103. | 15.1% | Alden-Hebron School District 19 / 3,095 |
| 103. | 15.1% | Meridian Community Unit School District 15 / 6,197 |
| 105. | 15.1% | West Central Community Unit School District 235 / 6,207 |
| 106. | 15.0% | Skokie-Fairview School District 72 / 6,317 |
| 106. | 15.0% | Jasper Community Consolidated School District 17 / 1,483 |
| 108. | 15.0% | Lewistown Community Unit School District 97 / 5,032 |
| 108. | 15.0% | Brimfield Community Unit School District 309 / 3,936 |
| 110. | 15.0% | Hinckley-Big Rock Community Unit School District 429 / 4,862 |
| 110. | 15.0% | Girard Community Unit School District 3 / 3,823 |
| 112. | 15.0% | Thompsonville Community Unit School District 174 / 1,933 |
| 112. | 15.0% | Mulberry Grove Community Unit School District 1 / 2,507 |
| 112. | 15.0% | Edinburg Community Unit School District 4 / 1,973 |
| 115. | 15.0% | Kildeer Countryside Community Consolidated School District 96 / 23,683 |
| 116. | 15.0% | Beecher City Community Unit School District 20 / 2,485 |
| 117. | 15.0% | New Simpson Hill Consolidated District 32 / 2,141 |
| 118. | 14.9% | Illinois Valley Central Unit School District 321 / 13,545 |
| 119. | 14.9% | Cobden School Unit District 17 / 3,538 |
| 120. | 14.9% | Orland School District 135 / 55,192 |
| 121. | 14.9% | Greenview Community Unit School District 200 / 1,517 |
| 121. | 14.9% | Argenta-Oreana Community Unit School District 1 / 4,127 |
| 121. | 14.9% | Cissna Park Community Unit School District 6 / 1,826 |
| 124. | 14.9% | Brussels Community Unit School District 42 / 1,337 |
| 124. | 14.9% | Neponset Community Consolidated District 307 / 820 |
| 126. | 14.9% | Triopia Community Unit School District 27 / 2,307 |
| 126. | 14.9% | Midwest Central Community Unit School District 191 / 6,309 |
| 126. | 14.9% | Orangeville Community Unit School District 203 / 2,488 |
| 129. | 14.9% | Palestine Community Unit School District 3 / 2,370 |
| 130. | 14.8% | Warren Community Unit School District 205 / 2,749 |
| 131. | 14.8% | Waltham Community Consolidated School District 185 / 2,489 |
| 131. | 14.8% | Hillside School District 93 / 5,713 |
| 133. | 14.8% | Newark Community Consolidated School District 66 / 2,539 |
| 134. | 14.8% | Fairmont School District 89 / 3,683 |
| 135. | 14.8% | Putnam County Community Unit School District 535 / 5,307 |
| 136. | 14.8% | Barrington Community Unit School District 220 / 44,132 |
| 136. | 14.8% | Stark County Community Unit School District 100 / 4,814 |
| 136. | 14.8% | Sparta Community Unit School District 140 / 8,927 |
| 136. | 14.8% | Lindop School District 92 / 4,121 |
| 140. | 14.7% | Cypress School District 64 / 977 |
| 140. | 14.7% | Glencoe School District 35 / 8,528 |
| 142. | 14.7% | Skokie School District 68 / 21,137 |
| 143. | 14.7% | Flossmoor School District 161 / 21,384 |
| 143. | 14.7% | Princeton Elementary School District 115 / 11,843 |
| 143. | 14.7% | Downers Grove Grade School District 58 / 51,875 |
| 143. | 14.7% | Dongola School Unit District 66 / 1,907 |
| 147. | 14.7% | New Trier Township High School District 203 / 59,796 |
| 147. | 14.7% | Astoria Community Unit School District 1 / 2,102 |
| 149. | 14.6% | West Prairie Community Unit School District 103 / 4,858 |
| 149. | 14.6% | Dakota Community Unit School District 201 / 4,951 |
| 149. | 14.6% | Oregon Community Unit School District 220 / 11,121 |
| 149. | 14.6% | Lake Forest Community High School District 115 / 28,251 |
| 153. | 14.6% | Dimmick Community Consolidated School District 175 / 1,012 |
| 154. | 14.6% | Consolidated High School District 230 / 155,955 |
| 154. | 14.6% | Stockton Community Unit School District 206 / 3,901 |
| 154. | 14.6% | Payson Community Unit School District 1 / 3,278 |
| 154. | 14.6% | Glen Ellyn Community Consolidated School District 89 / 22,402 |
| 154. | 14.6% | Venice Community Unit School District 3 / 1,027 |
| 154. | 14.6% | Frankfort Community Consolidated School District 157C / 17,238 |
| 160. | 14.6% | Community Consolidated School District 180 / 6,247 |
| 160. | 14.6% | Princeton High School District 500 / 12,582 |
| 160. | 14.6% | Herscher Community Unit School District 2 / 10,903 |
| 163. | 14.6% | Spoon River Valley Community Unit School District 4 / 2,396 |
| 163. | 14.6% | Darien School District 61 / 16,556 |
| 165. | 14.6% | Mount Zion Community Unit School District 3 / 12,712 |
| 166. | 14.5% | Rochester Community Unit School District 3A / 10,434 |
| 167. | 14.5% | Wilmette School District 39 / 26,119 |
| 168. | 14.5% | Woodlawn Community Consolidated School District 4 / 2,769 |
| 169. | 14.5% | Hinsdale Township High School District 86 / 74,146 |
| 169. | 14.5% | De Soto Consolidated School District 86 / 2,028 |
| 171. | 14.5% | River Bend Community Unit District 2 / 6,638 |
| 171. | 14.5% | Mercer County School District 404 / 8,787 |
| 173. | 14.5% | Wallace Community Consolidated School District 195 / 2,756 |
| 173. | 14.5% | Virginia Community Unit School District 64 / 2,355 |
| 175. | 14.5% | Northfield Township High School District 225 / 85,747 |
| 176. | 14.5% | Meridian Community Unit School District 101 / 3,533 |
| 177. | 14.4% | Gallatin Community Unit School District 7 / 5,268 |
| 177. | 14.4% | Delavan Community Unit School District 703 / 2,731 |
| 177. | 14.4% | Millstadt Consolidated Community School District 160 / 8,657 |
| 180. | 14.4% | Grayville Community Unit School District 1 / 2,080 |
| 180. | 14.4% | Bluford Community Consolidated School District 114 / 2,579 |
| 182. | 14.4% | Geneseo Community Unit School District 228 / 16,118 |
| 182. | 14.4% | Erie Community Unit School District 1 / 3,731 |
| 182. | 14.4% | Galatia Community Unit School District 1 / 2,384 |
| 185. | 14.4% | Joppa-Maple Grove Unit District 38 / 1,446 |
| 186. | 14.4% | Coulterville Unit School District 1 / 1,566 |
| 186. | 14.4% | Niles Township Community High School District 219 / 95,983 |
| 186. | 14.4% | Robein School District 85 / 1,976 |
| 189. | 14.4% | Germantown Hills School District 69 / 6,607 |
| 190. | 14.4% | West Washington County Community Unit District 10 / 4,008 |
| 190. | 14.4% | Tri-City Community Unit School District 1 / 3,652 |
| 192. | 14.3% | Villa Grove Community Unit School District 302 / 4,047 |
| 192. | 14.3% | Giant City Community Consolidated School District 130 / 2,442 |
| 194. | 14.3% | Farmington Central Community Unit School District 265 / 8,217 |
| 195. | 14.3% | Windsor Community Unit School District 1 / 2,286 |
| 196. | 14.3% | East Dubuque Community Unit School District 119 / 4,534 |
| 197. | 14.3% | Pennoyer School District 79 / 5,622 |
| 197. | 14.3% | Northbrook School District 28 / 13,883 |
| 199. | 14.3% | Farrington Community Consolidated School District 99 / 610 |
| 199. | 14.3% | Monticello Community Unit School District 25 / 9,163 |
| 201. | 14.3% | River Trails School District 26 / 15,201 |
| 202. | 14.2% | Schuyler-Industry Community Unit School District 5 / 8,005 |
| 203. | 14.2% | Heritage Community Unit School District 8 / 3,107 |
| 204. | 14.2% | Geff Community Consolidated School District 14 / 844 |
| 204. | 14.2% | Allen Township Community Consolidated School District 65 / 1,013 |
| 204. | 14.2% | Neoga Community Unit School District 3 / 4,882 |
| 207. | 14.2% | Havana Community Unit School District 126 / 6,627 |
| 208. | 14.2% | Grant Community Consolidated School District 110 / 7,972 |
| 208. | 14.2% | Oakwood Community Unit School District 76 / 6,252 |
| 210. | 14.2% | Sherrard Community Unit School District 200 / 9,307 |
| 210. | 14.2% | Lincolnshire-Prairieview School District 103 / 12,555 |
| 212. | 14.2% | Panhandle Community Unit School District 2 / 3,358 |
| 212. | 14.2% | North Shore School District 112 / 35,413 |
| 214. | 14.2% | Morton Grove School District 70 / 9,146 |
| 214. | 14.2% | Lincolnwood School District 74 / 12,590 |
| 214. | 14.2% | Pleasant Hill Community Unit School District 3 / 1,771 |
| 217. | 14.2% | Community High School District 99 / 109,523 |
| 218. | 14.2% | Roselle School District 12 / 7,126 |
| 218. | 14.2% | Centralia High School District 200 / 21,619 |
| 220. | 14.1% | Cairo Community Unit School District 1 / 3,218 |
| 220. | 14.1% | Hutsonville Community Unit School District 1 / 2,235 |
| 222. | 14.1% | Homewood-Flossmoor Community High School District 233 / 38,253 |
| 223. | 14.1% | Patoka Community Unit School District 100 / 1,566 |
| 223. | 14.1% | Willow Springs School District 108 / 3,982 |
| 225. | 14.1% | Johnston City Community Unit School District 1 / 7,916 |
| 226. | 14.1% | Athens Community Unit School District 213 / 5,658 |
| 226. | 14.1% | Adlai E. Stevenson High School District 125 / 61,187 |
| 226. | 14.1% | Lake Park Community High School District 108 / 51,172 |
| 226. | 14.1% | Newark Community High School District 18 / 3,549 |
| 230. | 14.1% | Wolf Branch School District 113 / 7,450 |
| 230. | 14.1% | Elementary School District 159 / 19,795 |
| 230. | 14.1% | East Peoria School District 86 / 18,691 |
| 233. | 14.1% | Thornton School District 154 / 2,821 |
| 234. | 14.1% | Illini West High School District 307 / 8,530 |
| 235. | 14.1% | Deerfield School District 109 / 20,693 |
| 235. | 14.1% | River Forest School District 90 / 11,172 |
| 235. | 14.1% | Signal Hill School District 181 / 3,232 |
| 238. | 14.0% | Cerro Gordo Community Unit School District 100 / 3,206 |
| 238. | 14.0% | Sesser-Valier Community Unit School District 196 / 4,387 |
| 240. | 14.0% | Crete-Monee Community Unit School District 201-U / 33,181 |
| 241. | 14.0% | Momence Community Unit School District 1 / 7,104 |
| 241. | 14.0% | Township High School District 113 / 58,323 |
| 241. | 14.0% | Cambridge Community Unit School District 227 / 3,006 |
| 244. | 14.0% | Edwards County Community Unit School District 1 / 5,982 |
| 244. | 14.0% | Leland Community Unit School District 1 / 1,824 |
| 244. | 14.0% | Peotone Community Unit School District 207U / 11,012 |
| 247. | 14.0% | Northwestern Community Unit School District 2 / 2,340 |
| 248. | 13.9% | Lowpoint-Washburn Community Unit School District 21 / 2,511 |
| 249. | 13.9% | Griggsville-Perry Community Unit School District 4 / 2,456 |
| 249. | 13.9% | Rome Community Consolidated School District 2 / 2,757 |
| 249. | 13.9% | Kirby School District 140 / 35,953 |
| 252. | 13.9% | South Holland School District 150 / 10,626 |
| 253. | 13.9% | Egyptian Community Unit School District 5 / 3,878 |
| 253. | 13.9% | Lexington Community Unit School District 7 / 3,014 |
| 255. | 13.9% | Valmeyer Community Unit School District 3 / 2,549 |
| 256. | 13.9% | Galva Community Unit School District 224 / 3,570 |
| 256. | 13.9% | Clay City Community Unit District 10 / 2,315 |
| 258. | 13.9% | Pinckneyville School District 50 / 6,370 |
| 258. | 13.9% | Centralia School District 135 / 13,619 |
| 258. | 13.9% | Norris City-Omaha-Enfield Community Unit School District 3 / 4,472 |
| 258. | 13.9% | Jamaica Community Unit School District 12 / 2,409 |
| 262. | 13.9% | Steeleville Community Unit School District 138 / 3,097 |
| 263. | 13.8% | Prophetstown-Lyndon-Tampico Community Unit School District 3 / 5,781 |
| 264. | 13.8% | Johnsburg Community Unit School District 12 / 12,438 |
| 264. | 13.8% | Naperville Community Unit District 203 / 94,748 |
| 266. | 13.8% | Community Unit School District 16 / 5,744 |
| 266. | 13.8% | Amboy Community Unit School District 272 / 5,261 |
| 266. | 13.8% | Pembroke Consolidated Community School District 259 / 1,947 |
| 266. | 13.8% | East Peoria Community High School District 309 / 26,387 |
| 266. | 13.8% | Park Ridge Consolidated Community School District 64 / 40,255 |
| 271. | 13.8% | Jonesboro Community Consolidated School District 43 / 2,991 |
| 272. | 13.8% | Libertyville School District 70 / 18,900 |
| 272. | 13.8% | Oakland Community Unit School District 5 / 2,131 |
| 272. | 13.8% | West Northfield School District 31 / 9,824 |
| 272. | 13.8% | Century Community Unit School District 100 / 2,760 |
| 272. | 13.8% | Princeville Community Unit School District 326 / 4,007 |
| 277. | 13.8% | Oak Park and River Forest District 200 / 63,050 |
| 278. | 13.8% | Woodlawn Community High School District 205 / 3,330 |
| 279. | 13.8% | South Central Community Unit School District 401 / 4,443 |
| 279. | 13.8% | Lemont Township High School District 210 / 25,565 |
| 279. | 13.8% | Prairie Grove Community School District 46 / 7,351 |
| 282. | 13.8% | Tremont Community Unit School District 702 / 5,022 |
| 283. | 13.8% | A-C Central Community Unit School District 262 / 2,604 |
| 284. | 13.7% | Oak Park Elementary School District 97 / 51,878 |
| 284. | 13.7% | Rooks Creek Community Consolidated School District 425 / 546 |
| 286. | 13.7% | Ohio Community Consolidated School District 17 / 830 |
| 286. | 13.7% | Shelbyville Community Unit School District 4 / 7,813 |
| 286. | 13.7% | Fox Lake Grade School District 114 / 8,929 |
| 286. | 13.7% | Lemont-Bromberek Combined School District 113A / 25,220 |
| 290. | 13.7% | Sangamon Valley Community Unit School District 9 / 4,185 |
| 291. | 13.7% | Metamora Township High School District 122 / 16,146 |
| 291. | 13.7% | Sandridge School District 172 / 3,633 |
| 293. | 13.7% | Williamsville Community Unit School District 15 / 7,226 |
| 293. | 13.7% | Wabash Community Unit School District 348 / 10,927 |
| 295. | 13.7% | East Maine School District 63 / 46,817 |
| 295. | 13.7% | Waltonville Community Unit School District 1 / 2,089 |
| 295. | 13.7% | Wilmington Community Unit School District 209U / 9,403 |
| 298. | 13.7% | North Clay Community Unit School District 25 / 3,867 |
| 298. | 13.7% | Rock Falls Township High School District 301 / 14,605 |
| 300. | 13.7% | Westchester School District 92-5 / 15,824 |
| 300. | 13.7% | Lake Zurich Community Unit School District 95 / 31,319 |
| 300. | 13.7% | North Wayne Community Unit School District 200 / 2,707 |
| 303. | 13.7% | Prairieview-Ogden Community Consolidated School District 197 / 2,432 |
| 303. | 13.7% | Pleasant Hill School District 69 / 2,036 |
| 303. | 13.7% | Community Unit School District 4 / 4,314 |
| 306. | 13.6% | Morrison Community Unit School District 6 / 6,805 |
| 306. | 13.6% | Niles Elementary School District 71 / 7,749 |
| 306. | 13.6% | Pearl City Community Unit School District 200 / 2,690 |
| 309. | 13.6% | Winnetka School District 36 / 11,932 |
| 309. | 13.6% | Oak Grove School District 68 / 6,778 |
| 309. | 13.6% | Christopher Community Unit School District 99 / 4,594 |
| 312. | 13.6% | Elmwood Community Unit School District 322 / 3,965 |
| 313. | 13.6% | Bushnell-Prairie City Community Unit School District 170 / 4,432 |
| 314. | 13.6% | Lisle Community Unit School District 202 / 13,642 |
| 315. | 13.6% | Dixon Unit School District 170 / 23,163 |
| 315. | 13.6% | Irvington County Community Unit School District 11 / 846 |
| 315. | 13.6% | North Pekin-Marquette Heights School District 102 / 5,245 |
| 315. | 13.6% | Community Consolidated School District 146 / 26,449 |
| 319. | 13.6% | Forest Park School District 91 / 13,961 |
| 319. | 13.6% | Zeigler-Royalton Community Unit School District 188 / 4,190 |
| 321. | 13.5% | Lena-Winslow Community Unit School District 202 / 5,301 |
| 321. | 13.5% | Anna Jonesboro Community High School District 81 / 11,297 |
| 323. | 13.5% | Lee Center Community Unit School District 271 / 1,680 |
| 323. | 13.5% | Itasca School District 10 / 8,761 |
| 323. | 13.5% | Odin School District 122 / 1,702 |
| 326. | 13.5% | Flanagan-Cornell District 74 / 1,689 |
| 327. | 13.5% | Maine Township High School District 207 / 144,788 |
| 327. | 13.5% | Carlinville Community Unit School District 1 / 9,460 |
| 329. | 13.5% | River Grove School District 85-5 / 8,085 |
| 329. | 13.5% | Ohio Community High School District 505 / 839 |
| 329. | 13.5% | Pikeland Community Unit School District 10 / 8,636 |
| 329. | 13.5% | Lyons Township High School District 204 / 68,725 |
| 329. | 13.5% | Riverside School District 96 / 13,845 |
| 334. | 13.5% | Webber Township High School District 204 / 2,958 |
| 334. | 13.5% | Flora Community Unit School District 35 / 8,201 |
| 336. | 13.5% | Shawnee Community Unit School District 84 / 2,818 |
| 336. | 13.5% | Morton Community Unit School District 709 / 19,002 |
| 338. | 13.4% | Nippersink School District 2 / 11,686 |
| 338. | 13.4% | Richmond-Burton Community High School District 157 / 11,686 |
| 340. | 13.4% | Alwood Community Unit School District 225 / 2,398 |
| 340. | 13.4% | Ball-Chatham Community Unit School District 5 / 26,649 |
| 340. | 13.4% | Polo Community Unit School District 222 / 4,141 |
| 343. | 13.4% | Ashley Community Consolidated School District 15 / 2,041 |
| 343. | 13.4% | Abingdon Community Unit School District 217 / 4,360 |
| 343. | 13.4% | Bunker Hill Community Unit School District 8 / 4,270 |
| 346. | 13.4% | Murphysboro Community Unit School District 186 / 15,612 |
| 346. | 13.4% | Meredosia-Chambersburg Community Unit School District 11 / 1,738 |
| 346. | 13.4% | Blue Ridge Community Unit School District 18 / 5,184 |
| 349. | 13.4% | Maercker School District 60 / 17,295 |
| 349. | 13.4% | Mount Pulaski Community Unit District 23 / 3,642 |
| 351. | 13.4% | Odin Community High School District 700 / 1,680 |
| 352. | 13.4% | Sullivan Community Unit School District 300 / 7,608 |
| 352. | 13.4% | Sandoval Community Unit School District 501 / 2,638 |
| 352. | 13.4% | Homewood School District 153 / 16,438 |
| 355. | 13.4% | Glenview Community Consolidated School District 34 / 40,086 |
| 355. | 13.4% | Grant Park Community Unit School District 6 / 3,291 |
| 355. | 13.4% | Libertyville Community High School District 128 / 49,926 |
| 355. | 13.4% | Marion Community Unit School District 2 / 27,551 |
| 359. | 13.4% | Carmi-White County Community Unit School District 5 / 9,282 |
| 359. | 13.4% | Hoopeston Area Community Unit School District 11 / 7,293 |
| 359. | 13.4% | St. Anne Community High School District 302 / 4,894 |
| 362. | 13.4% | Prairie du Rocher Community Consolidated School District 134 / 899 |
| 362. | 13.4% | Chester Non-High School District 122 / 899 |
| 362. | 13.4% | Freeburg Community Consolidated School District 70 / 7,328 |
| 365. | 13.3% | Gifford Community Consolidated School District 188 / 1,844 |
| 365. | 13.3% | Sunnybrook School District 171 / 10,986 |
| 367. | 13.3% | Fremont School District 79 / 19,330 |
| 368. | 13.3% | Eldorado Community Unit School District 4 / 7,232 |
| 368. | 13.3% | Summersville School District 79 / 2,177 |
| 368. | 13.3% | Brownstown Community Unit School District 201 / 2,274 |
| 368. | 13.3% | Hamilton County Community Unit School District 10 / 7,974 |
| 368. | 13.3% | Warrensburg-Latham Community Unit District 11 / 6,447 |
| 373. | 13.3% | Kenilworth School District 38 / 2,803 |
| 374. | 13.3% | Lawrence County Community Unit District 20 / 8,313 |
| 374. | 13.3% | Calhoun Community Unit School District 40 / 3,490 |
| 374. | 13.3% | Westville Community Unit School District 2 / 7,171 |
| 377. | 13.3% | Benton Consolidated High School District 103 / 12,652 |
| 378. | 13.3% | Jasper County Community Unit School District 1 / 9,346 |
| 378. | 13.3% | Freeburg Community High School District 77 / 12,887 |
| 378. | 13.3% | Medinah School District 11 / 7,372 |
| 381. | 13.3% | Olympia Community Unit School District 16 / 12,153 |
| 381. | 13.3% | Ramsey Community Unit School District 204 / 2,683 |
| 381. | 13.3% | Central Community Unit School District 4 / 6,428 |
| 381. | 13.3% | Spring Valley Community Consolidated School District 99 / 6,170 |
| 385. | 13.3% | Litchfield Community Unit School District 12 / 8,992 |
| 385. | 13.3% | Moline Unit School District 40 / 48,693 |
| 387. | 13.2% | Allendale Community Consolidated School District 17 / 1,020 |
| 388. | 13.2% | Elwood Community Consolidated School District 203 / 3,765 |
| 388. | 13.2% | Georgetown-Ridge Farm Consolidated Unit School District 4 / 6,585 |
| 390. | 13.2% | Mount Vernon Township High School District 201 / 29,760 |
| 390. | 13.2% | Fairfield Community High School District 225 / 9,990 |
| 390. | 13.2% | Elverado Community Unit School District 196 / 3,108 |
| 390. | 13.2% | Potomac Community Unit School District 10 / 1,241 |
| 390. | 13.2% | Oak Grove School District 68 / 3,956 |
| 395. | 13.2% | Homer Community Consolidated School District 33C / 29,575 |
| 396. | 13.2% | La Harpe Community School District 347 / 2,207 |
| 396. | 13.2% | Lake Bluff Elementary School District 65 / 8,876 |
| 396. | 13.2% | Skokie School District 69 / 17,838 |
| 399. | 13.2% | Opdyke-Belle Rive Community Consolidated School District 5 / 1,957 |
| 400. | 13.2% | Aptakisic-Tripp Community Consolidated School District / 18,649 |
| 401. | 13.2% | North Palos School District 117 / 28,214 |
| 401. | 13.2% | Grand Ridge Community Consolidated School District 95 / 2,515 |
| 401. | 13.2% | New Athens Community Unit School District 60 / 3,983 |
| 404. | 13.2% | Ashton Community Unit School District 275 / 3,894 |
| 404. | 13.2% | Trico Community Unit School District 176 / 6,525 |
| 406. | 13.1% | Benton Community Consolidated School District 47 / 10,170 |
| 406. | 13.1% | Marissa Community Unit School District 40 / 3,363 |
| 406. | 13.1% | Rich Township High School District 227 / 69,376 |
| 409. | 13.1% | Hononegah Community High School District 207 / 33,193 |
| 410. | 13.1% | Du Quoin Community Unit School District 300 / 9,353 |
| 410. | 13.1% | Winnebago Community Unit School District 323 / 8,157 |
| 412. | 13.1% | Ewing Northern Community Consolidated District 115 / 1,763 |
| 412. | 13.1% | Crab Orchard Community Unit School District 3 / 2,290 |
| 414. | 13.1% | Catlin Community Unit School District 5 / 2,963 |
| 414. | 13.1% | Edgar County Community Unit District 6 / 2,338 |
| 414. | 13.1% | Casey-Westfield Community Unit School District 4C / 6,073 |
| 414. | 13.1% | Galesburg Community Unit School District 205 / 34,926 |
| 418. | 13.1% | El Paso-Gridley Community Unit School District 11 / 7,019 |
| 418. | 13.1% | District 50 Schools / 7,071 |
| 420. | 13.1% | Hall High School District 502 / 9,533 |
| 420. | 13.1% | Mazon-Verona-Kinsman Elementary School District 2C / 2,563 |
| 420. | 13.1% | Leepertown Community Consolidated School District 175 / 398 |
| 423. | 13.1% | Smithton Community Consolidated School District 130 / 4,541 |
| 423. | 13.1% | St. Anne Consolidated Community School District 256 / 2,947 |
| 423. | 13.1% | Decatur School District 61 / 72,085 |
| 423. | 13.1% | Wethersfield Community Unit School District 230 / 3,989 |
| 427. | 13.0% | Carthage Elementary School District 317 / 4,250 |
| 427. | 13.0% | Forrestville Valley Community Unit School District 221 / 5,146 |
| 427. | 13.0% | Wayne City Community Unit School District 100 / 3,667 |
| 427. | 13.0% | Beecher Community Unit School District 200U / 6,643 |
| 431. | 13.0% | Limestone Community High School District 310 / 22,774 |
| 432. | 13.0% | Freeport School District 145 / 30,679 |
| 432. | 13.0% | Illini Central Community Unit School District 189 / 4,872 |
| 434. | 13.0% | Kell Consolidated School District 2 / 1,023 |
| 434. | 13.0% | Ottawa Township High School District 140 / 31,796 |
| 434. | 13.0% | Staunton Community Unit School District 6 / 8,414 |
| 434. | 13.0% | Stewardson-Strasburg Community Unit District 5A / 2,577 |
| 438. | 13.0% | Central City School District 133 / 2,255 |
| 438. | 13.0% | Tri-Point Community Unit School District 6-J / 2,940 |
| 438. | 13.0% | Silvis School District 34 / 5,282 |
| 441. | 13.0% | Fairfield Public School District 112 / 6,116 |
| 441. | 13.0% | Country Club Hills School District 160 / 12,684 |
| 443. | 13.0% | Oblong Community Unit School District 4 / 3,985 |
| 443. | 13.0% | Kinnikinnick Community Consolidated School District 131 / 14,449 |
| 445. | 13.0% | Colona School District 190 / 3,974 |
| 446. | 12.9% | Marshall Community Unit School District 2C / 8,125 |
| 446. | 12.9% | Springfield School District 186 / 114,063 |
| 448. | 12.9% | Somonauk Community Unit School District 432 / 5,067 |
| 448. | 12.9% | Carrollton Community Unit School District 1 / 4,286 |
| 448. | 12.9% | Mendota Township High School District 280 / 10,823 |
| 451. | 12.9% | Central A & M Community Unit School District 21 / 4,778 |
| 452. | 12.9% | Mendota Community Consolidated School District 289 / 10,782 |
| 453. | 12.9% | Norridge School District 80 / 12,288 |
| 453. | 12.9% | Cumberland Community Unit School District 77 / 6,183 |
| 455. | 12.9% | Seneca Township High School District 160 / 7,164 |
| 456. | 12.9% | Gillespie Community Unit School District 7 / 8,152 |
| 456. | 12.9% | Greenfield Community Unit School District 10 / 2,759 |
| 458. | 12.9% | Riverton Community Unit School District 14 / 7,826 |
| 458. | 12.9% | Rossville-Alvin Community Unit School District 7 / 2,390 |
| 460. | 12.8% | Sterling Community Unit District 5 / 22,066 |
| 460. | 12.8% | Harmony Emge School District 175 / 10,847 |
| 462. | 12.8% | Keeneyville School District 20 / 14,368 |
| 463. | 12.8% | Des Plaines Community Consolidated School District 62 / 51,614 |
| 463. | 12.8% | Matteson Elementary School District 162 / 25,603 |
| 465. | 12.8% | Lovington Community Unit School District 303 / 1,843 |
| 466. | 12.8% | Creve Coeur School District 76 / 6,256 |
| 467. | 12.8% | Red Bud Community Unit School District 132 / 7,584 |
| 467. | 12.8% | Rockton School District 140 / 12,459 |
| 467. | 12.8% | Taylorville Community Unit School District 3 / 18,866 |
| 470. | 12.8% | Riverside Brookfield Township School District 208 / 29,195 |
| 470. | 12.8% | LaGrange School District 105 / 11,749 |
| 470. | 12.8% | Fisher Community Unit School District 1 / 3,246 |
| 470. | 12.8% | Tri-Valley Community Unit School District 3 / 4,680 |
| 474. | 12.8% | St. Libory Consolidated School District 30 / 916 |
| 475. | 12.8% | Southwestern Community Unit School District 9 / 9,504 |
| 476. | 12.7% | Marseilles Elementary School District 150 / 4,537 |
| 476. | 12.7% | Jacksonville School District 117 / 28,404 |
| 478. | 12.7% | Western Community Unit School District 12 / 3,652 |
| 478. | 12.7% | Alton Community Unit School District 11 / 49,134 |
| 480. | 12.7% | Ridgewood Community High School District 234 / 19,327 |
| 480. | 12.7% | Clinton Community Unit School District 15 / 12,087 |
| 480. | 12.7% | Mokena School District 159 / 17,118 |
| 483. | 12.7% | Liberty Community Unit School District 2 / 3,377 |
| 483. | 12.7% | Martinsville Community Unit School District 3C / 2,401 |
| 485. | 12.7% | Marengo Community High School District 154 / 13,933 |
| 485. | 12.7% | Waverly Community Unit School District 6 / 2,081 |
| 487. | 12.7% | Wood Dale School District 7 / 10,493 |
| 488. | 12.7% | West Richland Community Unit School District 2 / 2,250 |
| 488. | 12.7% | Reed Custer Community Unit School District 255U / 9,368 |
| 488. | 12.7% | Elmwood Park Community Unit School District 401 / 24,883 |
| 491. | 12.7% | Donovan Community Unit School District 3 / 2,228 |
| 492. | 12.6% | Sandwich Community Unit School District 430 / 13,473 |
| 492. | 12.6% | Ludlow Community Consolidated School District 142 / 918 |
| 492. | 12.6% | Jersey Community Unit School District 100 / 20,217 |
| 495. | 12.6% | United Township High School District 30 / 39,962 |
| 495. | 12.6% | Paris-Union School District 95 / 8,400 |
| 495. | 12.6% | Frankfort Community Unit School District 168 / 11,980 |
| 498. | 12.6% | Mahomet-Seymour Community Unit School District 3 / 14,300 |
| 498. | 12.6% | Pana Community Unit School District 8 / 9,590 |
| 500. | 12.6% | Hiawatha Community Unit School District 426 / 3,324 |
| 500. | 12.6% | St. Elmo Community Unit School District 202 / 2,727 |
| 502. | 12.6% | Virden Community Unit School District 4 / 5,096 |
| 502. | 12.6% | Alsip-Hazelgreen-Oaklawn School District 126 / 16,956 |
| 504. | 12.6% | Streator Township High School District 40 / 18,532 |
| 504. | 12.6% | Morrisonville Community Unit School District 1 / 1,898 |
| 506. | 12.6% | Ridgeview Community Unit School District 19 / 3,513 |
| 507. | 12.6% | Malden Community Consolidated School District 84 / 748 |
| 507. | 12.6% | St. Charles Community Unit School District 303 / 67,777 |
| 507. | 12.6% | Cowden-Herrick Community Unit School District 3A / 2,649 |
| 507. | 12.6% | Schaumburg Community Consolidated School District 54 / 133,846 |
| 507. | 12.6% | Harrisburg Community Unit School District 3 / 12,796 |
| 512. | 12.6% | Pekin Public School District108 / 33,974 |
| 513. | 12.6% | Massac Unit School District 1 / 13,893 |
| 513. | 12.6% | Vienna High School District 133 / 8,892 |
| 515. | 12.5% | Anna Community Consolidated School District 37 / 7,074 |
| 515. | 12.5% | Laraway Community Consolidated School District 70C / 2,838 |
| 515. | 12.5% | Pekin Community High School District 303 / 46,006 |
| 518. | 12.5% | Richland School District 88A / 10,030 |
| 518. | 12.5% | Channahon School District 17 / 10,196 |
| 518. | 12.5% | Chester-East Lincoln Community Csd 61 / 3,217 |
| 521. | 12.5% | Altamont Community Unit School District 10 / 4,922 |
| 521. | 12.5% | Rock Island School District 41 / 45,438 |
| 523. | 12.5% | Bradford Community Unit School District 1 / 1,655 |
| 523. | 12.5% | Atwood-Hammond Community Unit School District 39 / 2,605 |
| 525. | 12.5% | South Wilmington Consolidated School District 74 / 888 |
| 525. | 12.5% | Streator Elementary School District 44 / 16,896 |
| 527. | 12.5% | Dupo Community Unit School District 196 / 7,094 |
| 527. | 12.5% | Morris Community High School District 101 / 18,332 |
| 527. | 12.5% | Fieldcrest Community Unit School District 6 / 6,671 |
| 530. | 12.5% | Prairie Hill Community Consolidated School District 133 / 4,906 |
| 530. | 12.5% | Union Ridge School District 86 / 6,351 |
| 530. | 12.5% | Calumet Public School District 132 / 10,763 |
| 533. | 12.5% | Lisbon Community Consolidated School District 90 / 883 |
| 533. | 12.5% | Woodridge School District 68 / 32,571 |
| 533. | 12.5% | Kansas Community Unit School District 3 / 1,420 |
| 533. | 12.5% | Steward Elementary School District 220 / 626 |
| 533. | 12.5% | Morris School District 54 / 11,610 |
| 538. | 12.5% | East Richland Community Unit School District 1 / 14,052 |
| 538. | 12.5% | Arlington Heights School District 25 / 50,029 |
| 540. | 12.4% | Nokomis Community Unit School District 22 / 4,349 |
| 541. | 12.4% | Quincy School District 172 / 51,038 |
| 542. | 12.4% | Heyworth Community Unit School District 4 / 4,876 |
| 543. | 12.4% | Deer Creek-Mackinaw Community Unit School District 701 / 6,016 |
| 543. | 12.4% | Forest Ridge School District 142 / 16,188 |
| 545. | 12.4% | Iroquois County Community Unit School District 9 / 7,151 |
| 545. | 12.4% | Belle Valley School District 119 / 8,407 |
| 545. | 12.4% | Le Roy Community Unit School District 2 / 4,448 |
| 548. | 12.4% | Township High School District 211 / 236,230 |
| 548. | 12.4% | Waterloo Community Unit School District 5 / 17,917 |
| 548. | 12.4% | Bement Community Unit School District 5 / 2,399 |
| 548. | 12.4% | Ottawa Elementary School District 141 / 19,601 |
| 548. | 12.4% | Robinson Community Unit School District 2 / 12,017 |
| 548. | 12.4% | Herrin Community Unit School District 4 / 16,524 |
| 548. | 12.4% | Oak Lawn-Hometown School District 123 / 34,793 |
| 548. | 12.4% | Community Unit School District 200 / 78,828 |
| 548. | 12.4% | Salem Community High School District 600 / 15,204 |
| 557. | 12.4% | Roxana Community Unit School District 1 / 11,947 |
| 557. | 12.4% | Hinsdale Community Consolidated School District 181 / 25,449 |
| 557. | 12.4% | Komarek School District 94 / 4,762 |
| 560. | 12.4% | Wesclin Community Unit School District 3 / 8,025 |
| 561. | 12.4% | Mattoon Community Unit School District 2 / 23,717 |
| 561. | 12.4% | Bureau Valley Community Unit School District 340 / 6,788 |
| 561. | 12.4% | Hoyleton Consolidated School District 29 / 1,028 |
| 564. | 12.3% | Maroa-Forsyth Community Unit School District 2 / 6,359 |
| 564. | 12.3% | Paxton-Buckley-Loda Community Unit School District 10 / 8,710 |
| 566. | 12.3% | Wheeling Community Consolidated School District 21 / 67,047 |
| 567. | 12.3% | Creston Community Consolidated School District 161 / 959 |
| 567. | 12.3% | Township High School District 214 / 251,203 |
| 567. | 12.3% | Park Forest School District 163 / 15,766 |
| 570. | 12.3% | Belleville Township High School District 201 / 109,653 |
| 571. | 12.3% | Scott-Morgan Consolidated Unit School District 2 / 1,425 |
| 571. | 12.3% | Effingham Community Unit School District 40 / 20,287 |
| 571. | 12.3% | Gurnee School District 56 / 18,189 |
| 574. | 12.3% | Oglesby Elementary School District 125 / 4,800 |
| 575. | 12.3% | Braceville School District 75 / 1,411 |
| 575. | 12.3% | Geneva Community Unit School District 304 / 28,816 |
| 575. | 12.3% | Danville Community Consolidated School District 118 / 39,922 |
| 575. | 12.3% | Pecatonica Community Unit School District 321 / 5,261 |
| 575. | 12.3% | South Fork School District 14 / 2,438 |
| 580. | 12.3% | East Moline School District 37 / 26,789 |
| 580. | 12.3% | Cherry School District 92 / 612 |
| 582. | 12.2% | Shiloh Village School District 85 / 5,027 |
| 583. | 12.2% | Gavin School District 37 / 8,227 |
| 583. | 12.2% | Antioch Community High School District 117 / 45,037 |
| 585. | 12.2% | Tuscola Community Unit School District 301 / 5,782 |
| 585. | 12.2% | Selmaville Community Consolidated School District 10 / 1,883 |
| 587. | 12.2% | Central Community Unit School District 301 / 17,995 |
| 588. | 12.2% | Mount Vernon School District 80 / 13,836 |
| 589. | 12.2% | Annawan Community Unit School District 226 / 2,094 |
| 589. | 12.2% | Pontiac Community Consolidated School District 429 / 13,716 |
| 591. | 12.2% | Pontiac Township High School District 90 / 16,496 |
| 592. | 12.2% | LaSalle-Peru Township High School District 120 / 29,400 |
| 592. | 12.2% | Mount Prospect School District 57 / 20,249 |
| 594. | 12.2% | Dolton School District 149 / 28,278 |
| 594. | 12.2% | Tamaroa School District 5 / 889 |
| 596. | 12.1% | Iroquois West Community Unit School District 10 / 5,123 |
| 596. | 12.1% | Roanoke-Benson Community Unit School District 60 / 3,443 |
| 596. | 12.1% | Bond County Community Unit School District 2 / 13,592 |
| 599. | 12.1% | Batavia Unit School District 101 / 32,000 |
| 599. | 12.1% | Rockford School District 205 / 193,932 |
| 599. | 12.1% | Eswood Community Consolidated District 269 / 890 |
| 602. | 12.1% | Granite City Community Unit School District 9 / 43,938 |
| 603. | 12.1% | Brookfield School District 95 / 10,887 |
| 603. | 12.1% | Lincoln Elementary School District 27 / 13,139 |
| 603. | 12.1% | Indian Springs School District 109 / 24,463 |
| 606. | 12.1% | Salt Creek School District 48 / 8,220 |
| 606. | 12.1% | Nashville Consolidated Community School District 49 / 5,553 |
| 606. | 12.1% | Brookwood School District 167 / 10,852 |
| 609. | 12.1% | Nashville Community High School District 99 / 8,925 |
| 610. | 12.1% | Odell Community Consolidated School District 435 / 1,440 |
| 611. | 12.1% | Harlem Unit School District 122 / 44,272 |
| 612. | 12.1% | Community Unit School District 2 / 6,325 |
| 612. | 12.1% | Lostant Community Unit School District 425 / 912 |
| 612. | 12.1% | Whiteside School District 115 / 12,981 |
| 615. | 12.0% | Metamora Community Consolidated School District 1 / 6,891 |
| 615. | 12.0% | Byron Community Unit School District 226 / 7,741 |
| 615. | 12.0% | Oak Lawn Community High School District 229 / 39,602 |
| 615. | 12.0% | Rock Falls Elementary School District 13 / 7,961 |
| 619. | 12.0% | North Greene Unit School District 3 / 6,263 |
| 620. | 12.0% | Gibson City-Melvin-Sibley Community Unit School District 5 / 6,081 |
| 620. | 12.0% | Triad Community Unit School District 2 / 20,984 |
| 620. | 12.0% | Southeastern Community Unit School District 337 / 3,209 |
| 620. | 12.0% | Steger School District 194 / 14,120 |
| 624. | 12.0% | East Alton School District 13 / 7,974 |
| 624. | 12.0% | Collinsville Community Unit School District 10 / 48,441 |
| 624. | 12.0% | Prairie Central Community Unit School District 8 / 11,294 |
| 627. | 12.0% | High Mount School District 116 / 4,207 |
| 628. | 12.0% | Prairie-Hills Elementary School District 144 / 21,563 |
| 628. | 12.0% | Gardner-South Wilmington Township High School District / 4,126 |
| 630. | 12.0% | Earlville Community Unit School District 9 / 2,708 |
| 630. | 12.0% | Community Consolidated School District 93 / 34,388 |
| 632. | 11.9% | Harrison School District 36 / 4,079 |
| 633. | 11.9% | LaGrange School District 102 / 25,967 |
| 633. | 11.9% | Lockport Township High School District 205 / 75,869 |
| 635. | 11.9% | Worth School District 127 / 11,211 |
| 635. | 11.9% | Palatine Community Consolidated School District 15 / 119,054 |
| 635. | 11.9% | Glen Ellyn School District 41 / 28,833 |
| 635. | 11.9% | Kewanee Community Unit School District 229 / 10,251 |
| 635. | 11.9% | Westmont Community Unit School District 201 / 12,549 |
| 640. | 11.9% | New Hope Community Consolidated School District 6 / 1,547 |
| 640. | 11.9% | Winchester Community Unit School District 1 / 3,893 |
| 642. | 11.9% | Glenbard Township High School District 87 / 164,057 |
| 642. | 11.9% | Coal City Community Unit School District 1 / 11,262 |
| 642. | 11.9% | Fox River Grove Consolidated School District 3 / 4,309 |
| 645. | 11.9% | Oakdale Community Consolidated School District 1 / 733 |
| 646. | 11.9% | Woodstock Community Unit School District 200 / 37,384 |
| 647. | 11.9% | Hartsburg-Emden Community Unit School District 21 / 1,283 |
| 647. | 11.9% | East Alton-Wood River Community High School District 14 / 14,034 |
| 647. | 11.9% | Carlyle Community Unit School District 1 / 10,196 |
| 650. | 11.8% | Cary Community Consolidated School District 26 / 22,870 |
| 651. | 11.8% | Seneca Community Consolidated School District 170 / 3,666 |
| 651. | 11.8% | LaSalle Elementary School District 122 / 9,113 |
| 651. | 11.8% | Hillsboro Community Unit School District 3 / 13,496 |
| 654. | 11.8% | Tolono Community Unit School District 7 / 9,017 |
| 654. | 11.8% | Pinckneyville Community High School District 101 / 11,278 |
| 656. | 11.8% | Saunemin Community Consolidated School District 438 / 1,019 |
| 657. | 11.8% | Salem School District 111 / 8,988 |
| 657. | 11.8% | Bremen Community High School District 228 / 93,733 |
| 659. | 11.8% | Indian Creek Community Unit District 425 / 4,690 |
| 659. | 11.8% | Proviso Township High School District 209 / 126,613 |
| 661. | 11.7% | Manteno Community Unit School District 5 / 12,432 |
| 661. | 11.7% | Eureka Community Unit District 140 / 9,685 |
| 663. | 11.7% | Bellwood School District 88 / 22,662 |
| 663. | 11.7% | Tonica Community Consolidated School District 79 / 1,596 |
| 663. | 11.7% | Carterville Community Unit School District 5 / 11,309 |
| 666. | 11.7% | Peoria School District 150 / 100,765 |
| 666. | 11.7% | Dieterich Community Unit School District 30 / 2,307 |
| 666. | 11.7% | Lebanon Community Unit School District 9 / 5,665 |
| 669. | 11.7% | St. Joseph-Ogden Community High School District 305 / 8,321 |
| 669. | 11.7% | Bethalto Consolidated Unit School District 8 / 15,745 |
| 671. | 11.7% | Ridgeland School District 122 / 21,718 |
| 671. | 11.7% | Community High School District 94 / 41,954 |
| 673. | 11.7% | Wood River-Hartford Elementary School District 15 / 6,060 |
| 674. | 11.7% | Washington Community High School District 308 / 23,441 |
| 675. | 11.6% | Peru Elementary School District 124 / 10,506 |
| 675. | 11.6% | Community High School District 218 / 121,648 |
| 675. | 11.6% | Fenton Community High School District 100 / 29,995 |
| 678. | 11.6% | Evanston Community Consolidated School District 65 / 82,370 |
| 678. | 11.6% | Evanston Township High School District 202 / 82,370 |
| 680. | 11.6% | Canton Union School District 66 / 18,091 |
| 681. | 11.6% | Evergreen Park Community High School District 231 / 19,852 |
| 681. | 11.6% | Evergreen Park Elementary School District 124 / 19,852 |
| 683. | 11.6% | Highland Community Unit School District 5 / 18,631 |
| 683. | 11.6% | Edwardsville Community Unit School District 7 / 51,423 |
| 685. | 11.6% | Columbia Community Unit School District 4 / 12,302 |
| 686. | 11.6% | Peoria Heights Community Unit School District 325 / 6,744 |
| 686. | 11.6% | Elmhurst School District 205 / 46,804 |
| 688. | 11.6% | East St. Louis School District 189 / 38,523 |
| 688. | 11.6% | McHenry Community High School District 156 / 46,091 |
| 690. | 11.6% | Lincoln Community High School District 404 / 22,341 |
| 691. | 11.5% | Saratoga Community Consolidated School District 60C / 5,979 |
| 692. | 11.5% | DuPage High School District 88 / 82,260 |
| 693. | 11.5% | Lincoln Way Community High School District 210 / 104,129 |
| 693. | 11.5% | Meridian Community Unit School District 223 / 9,100 |
| 695. | 11.5% | Marengo-Union Elementary Consolidated District 165 / 10,535 |
| 695. | 11.5% | Villa Park School District 45 / 36,731 |
| 697. | 11.5% | McHenry Community Consolidated School District 15 / 42,844 |
| 697. | 11.5% | Community High School District 155 / 96,797 |
| 699. | 11.5% | Lombard School District 44 / 34,968 |
| 699. | 11.5% | Lansing School District 158 / 22,962 |
| 701. | 11.4% | O'Fallon Community Consolidated School District 90 / 28,351 |
| 702. | 11.4% | Ladd Community Consolidated School District 94 / 1,588 |
| 703. | 11.4% | Hawthorn Community Consolidated School District 73 / 29,650 |
| 703. | 11.4% | Addison School District 4 / 37,309 |
| 703. | 11.4% | Arbor Park School District 145 / 12,993 |
| 703. | 11.4% | Lockport School District 91 / 6,646 |
| 707. | 11.4% | Camp Point Community Unit School District 3 / 5,029 |
| 707. | 11.4% | Antioch Community Consolidated School District 34 / 23,861 |
| 709. | 11.4% | Burbank School District 111 / 30,360 |
| 710. | 11.4% | Mundelein Elementary School District 75 / 15,091 |
| 710. | 11.4% | Franklin Park School District 84 / 11,276 |
| 710. | 11.4% | Western Springs School District 101 / 10,175 |
| 710. | 11.4% | Schiller Park School District 81 / 13,266 |
| 710. | 11.4% | Gardner Community Consolidated School District 72C / 1,823 |
| 715. | 11.3% | O'Fallon Township High School District 203 / 39,280 |
| 715. | 11.3% | Will County School District 92 / 14,695 |
| 717. | 11.3% | Bourbonnais School District 53 / 24,087 |
| 718. | 11.3% | Berkeley School District 87 / 22,015 |
| 718. | 11.3% | Dwight Township High School District 230 / 6,605 |
| 720. | 11.3% | Washington School District 52 / 8,028 |
| 720. | 11.3% | Thomasboro Community Consolidated School District 130 / 2,443 |
| 722. | 11.3% | Community Consolidated School District 59 / 65,398 |
| 723. | 11.3% | Dwight Common School District 232 / 6,317 |
| 724. | 11.3% | South Beloit Community Unit School District 320 / 6,409 |
| 724. | 11.3% | Sycamore Community Unit School District 427 / 21,667 |
| 726. | 11.2% | Pleasant Valley School District 62 / 4,763 |
| 726. | 11.2% | Harvard Community Unit School District 50 / 13,486 |
| 726. | 11.2% | Reavis Township High School District 220 / 33,299 |
| 729. | 11.2% | Queen Bee School District 16 / 17,627 |
| 729. | 11.2% | Lyons School District 103 / 21,645 |
| 731. | 11.2% | Argo Community High School District 217 / 40,473 |
| 732. | 11.2% | Monmouth-Roseville Community Unit School District 238 / 11,475 |
| 732. | 11.2% | Kankakee School District 111 / 32,915 |
| 734. | 11.2% | Thornton Fractional Township High School District 215 / 60,428 |
| 735. | 11.2% | Rochelle Township High School District 212 / 17,129 |
| 735. | 11.2% | Pontiac-William Holliday School District 105 / 8,126 |
| 735. | 11.2% | St. Joseph Community Consolidated School District 169 / 6,191 |
| 735. | 11.2% | North Wamac School District 186 / 914 |
| 739. | 11.1% | New Lenox School District 122 / 38,647 |
| 739. | 11.1% | Mundelein Consolidated High School District 120 / 42,836 |
| 741. | 11.1% | Atwood Heights School District 125 / 7,607 |
| 741. | 11.1% | Kaneland Community Unit School District 302 / 25,685 |
| 743. | 11.1% | Leyden Community High School District 212 / 64,119 |
| 744. | 11.1% | Bensenville School District 2 / 19,502 |
| 744. | 11.1% | Iuka Community Consolidated School District 7 / 1,966 |
| 746. | 11.1% | Belleville School District 118 / 38,866 |
| 747. | 11.1% | Rosemont Elementary School District 78 / 2,360 |
| 747. | 11.1% | Arcola Consolidated Unit School District 306 / 4,465 |
| 749. | 11.1% | Norwood Elementary School District 63 / 4,143 |
| 750. | 11.0% | Crystal Lake Community Consolidated School District 47 / 62,267 |
| 750. | 11.0% | Bannockburn School District 106 / 2,228 |
| 750. | 11.0% | Warren Township High School District 121 / 68,588 |
| 753. | 11.0% | Zion-Benton Township High School District 126 / 44,411 |
| 754. | 11.0% | Belvidere Consolidated Unit School District 100 / 45,236 |
| 754. | 11.0% | Thornton Township High School District 205 / 115,320 |
| 756. | 11.0% | Dunlap Community Unit School District 323 / 21,427 |
| 757. | 11.0% | St. Rose School District 14-15 / 1,257 |
| 758. | 11.0% | Chester Community Unit School District 139 / 11,160 |
| 759. | 11.0% | Bloomington School District 87 / 44,444 |
| 760. | 10.9% | Diamond Lake School District 76 / 9,187 |
| 760. | 10.9% | Rankin Community School District 98 / 3,719 |
| 762. | 10.9% | Bartelso School District 57 / 1,080 |
| 763. | 10.9% | Vandalia Community Unit School District 203 / 11,623 |
| 763. | 10.9% | Grant Community High School District 124 / 36,905 |
| 765. | 10.9% | Lake Villa Community Consolidated School District 41 / 23,218 |
| 766. | 10.9% | Rantoul Township High School District 193 / 17,512 |
| 767. | 10.9% | Breese School District 12 / 7,133 |
| 768. | 10.8% | South Pekin School District 137 / 1,791 |
| 769. | 10.8% | Central School District 51 / 8,344 |
| 770. | 10.8% | Hoover-Schrum Memorial School District 157 / 7,897 |
| 771. | 10.8% | Beach Park Community Consolidated School District 3 / 20,315 |
| 772. | 10.8% | Bartonville School District 66 / 2,090 |
| 773. | 10.8% | Vienna School District 55 / 5,081 |
| 774. | 10.7% | Aurora West Unit School District 129 / 73,278 |
| 775. | 10.7% | Wauconda Community Unit School District 118 / 27,202 |
| 776. | 10.7% | Troy Community Consolidated School District 30C / 36,786 |
| 777. | 10.7% | Teutopolis Community Unit School District 50 / 5,674 |
| 778. | 10.7% | Bradley-Bourbonnais Consolidated High School District 307 / 40,203 |
| 779. | 10.7% | Madison Community Unit School District 12 / 4,627 |
| 780. | 10.6% | Woodland Community Consolidated School District 50 / 51,327 |
| 781. | 10.6% | School District U-46 / 231,224 |
| 781. | 10.6% | Germantown School District 60 / 1,923 |
| 781. | 10.6% | Ina Community Consolidated School District 8 / 3,050 |
| 784. | 10.5% | Calumet City School District 155 / 11,593 |
| 784. | 10.5% | Central Community High School District 71 / 16,161 |
| 786. | 10.5% | Rochelle Community Consolidated District 231 / 13,647 |
| 787. | 10.5% | Cook County School District 130 / 30,111 |
| 787. | 10.5% | Midlothian School District 143 / 14,986 |
| 787. | 10.5% | Pawnee Community Unit School District 11 / 3,350 |
| 790. | 10.4% | Marquardt School District 15 / 25,839 |
| 791. | 10.4% | Berwyn South School District 100 / 31,367 |
| 791. | 10.4% | Beardstown Community Unit School District 15 / 8,052 |
| 793. | 10.3% | Dolton School District 148 / 21,911 |
| 794. | 10.3% | Bloom Township High School District 206 / 64,796 |
| 795. | 10.3% | Auburn Community Unit School District 10 / 6,959 |
| 795. | 10.3% | Central School District 104 / 4,912 |
| 795. | 10.3% | Rantoul City School District 137 / 12,520 |
| 798. | 10.3% | Carbon Cliff-Barstow School District 36 / 1,775 |
| 799. | 10.3% | Community Unit School District 300 / 110,689 |
| 800. | 10.3% | Mannheim School District 83 / 21,187 |
| 801. | 10.2% | West Chicago School District 33 / 30,928 |
| 801. | 10.2% | Depue Community Unit School District 103 / 2,032 |
| 801. | 10.2% | Red Hill Community Unit School District 10 / 8,629 |
| 804. | 10.2% | Hazel Crest School District 152-5 / 7,977 |
| 805. | 10.2% | North Boone Community Unit School District 200 / 8,540 |
| 806. | 10.1% | Genoa-Kingston Community Unit School District 424 / 9,221 |
| 807. | 10.1% | Minooka Community High School District 111 / 38,032 |
| 808. | 10.0% | Brown County Community Unit School District 1 / 6,926 |
| 809. | 10.0% | Harvey School District 152 / 15,984 |
| 810. | 10.0% | Maywood-Melrose Park-Broadview School District 89 / 44,589 |
| 811. | 10.0% | South Holland School District 151 / 13,239 |
| 812. | 9.9% | St. George Community Consolidated School District 258 / 3,760 |
| 813. | 9.9% | Albers School District 63 / 1,405 |
| 814. | 9.9% | Central Stickney School District 110 / 2,941 |
| 815. | 9.8% | Aviston School District 21 / 2,527 |
| 816. | 9.8% | West Harvey-Dixmoor Public School District 147 / 11,588 |
| 817. | 9.8% | Joliet Township High School District 204 / 128,595 |
| 818. | 9.8% | Unity Point Community Consolidated School District 140 / 6,139 |
| 819. | 9.8% | Chicago Public School District 299 / 2,695,669 |
| 820. | 9.7% | Chicago Ridge School District 127-5 / 13,312 |
| 821. | 9.7% | Zion Elementary School District 6 / 17,472 |
| 822. | 9.6% | Bradley School District 61 / 12,356 |
| 823. | 9.5% | Rhodes School District 84-5 / 4,618 |
| 824. | 9.5% | Summit Hill School District 161 / 23,469 |
| 825. | 9.5% | Brooklyn Community Unit School District 188 / 749 |
| 826. | 9.4% | Yorkville Community Unit School District 115 / 28,319 |
| 827. | 9.4% | Cahokia Community Unit School District 187 / 19,392 |
| 828. | 9.4% | Posen-Robbins Elementary School District 143-5 / 12,497 |
| 829. | 9.3% | Community Consolidated School District 168 / 10,382 |
| 830. | 9.3% | Burnham School District 154-5 / 1,545 |
| 831. | 9.3% | Arthur Community Unit School District 305 / 5,616 |
| 831. | 9.3% | Champaign Community Unit School District 4 / 93,268 |
| 833. | 9.2% | Joliet Public School District 86 / 84,281 |
| 834. | 9.2% | Charleston Community Unit School District 1 / 28,126 |
| 835. | 9.2% | Damiansville School District 62 / 836 |
| 835. | 9.2% | Valley View Community Unit School District 365U / 92,516 |
| 837. | 9.2% | Chicago Heights School District 170 / 24,563 |
| 837. | 9.2% | Big Hollow School District 38 / 14,379 |
| 839. | 9.2% | Huntley Consolidated School District 158 / 42,582 |
| 840. | 9.2% | Lincoln Elementary School District 156 / 6,883 |
| 841. | 9.1% | Grayslake Community High School District 127 / 44,566 |
| 842. | 9.1% | McLean County Unit School District 5 / 94,219 |
| 843. | 9.0% | Rockdale School District 84 / 2,182 |
| 844. | 8.9% | Macomb Community Unit School District 185 / 22,338 |
| 845. | 8.8% | Millburn Community Consolidated School District 24 / 8,613 |
| 846. | 8.8% | Grayslake Consolidated Community School District 46 / 30,258 |
| 847. | 8.7% | Minooka Community Consolidated School District 201 / 23,634 |
| 848. | 8.6% | Manhattan School District 114 / 9,175 |
| 849. | 8.6% | Waukegan Community Unit School District 60 / 84,015 |
| 850. | 8.5% | Carbondale Community High School District 165 / 37,519 |
| 851. | 8.5% | Summit School District 104 / 12,302 |
| 852. | 8.5% | Berwyn North School District 98 / 25,290 |
| 853. | 8.5% | Community Consolidated School District 204 / 4,050 |
| 854. | 8.4% | Indian Prairie Community Unit School District 204 / 127,333 |
| 855. | 8.4% | J. Sterling Morton High School District 201 / 158,720 |
| 856. | 8.3% | West Lincoln-Broadwell Elementary School District 92 / 4,833 |
| 857. | 8.3% | Chaney-Monge School District 88 / 7,708 |
| 858. | 8.2% | Ford Heights School District 169 / 2,819 |
| 859. | 8.1% | Taft School District 90 / 3,456 |
| 860. | 8.0% | Plano Community Unit School District 88 / 11,288 |
| 860. | 8.0% | Round Lake Community Unit School District 116 / 36,361 |
| 862. | 8.0% | Urbana School District 116 / 51,198 |
| 863. | 7.8% | Oswego Community Unit School District 308 / 75,151 |
| 864. | 7.7% | General George Patton School District 133 / 2,341 |
| 865. | 7.5% | Aurora East Unit School District 131 / 86,640 |
| 866. | 7.4% | Mascoutah Community Unit School District 19 / 17,297 |
| 867. | 7.2% | Carbondale Elementary School District 95 / 26,910 |
| 868. | 7.2% | DeKalb Community Unit School District 428 / 52,734 |
| 869. | 7.1% | Plainfield School District 202 / 120,091 |
| 870. | 7.0% | Cicero School District 99 / 84,551 |
| 871. | 4.7% | North Chicago School District 187 / 30,274 |
Please note that we only rank locations with 'Percentage of Population Age 55 to 64' data. The rank above might not be a complete list. Locations without 'Percentage of Population Age 55 to 64' data are not listed.
