| Rank | Greek as First Ancestry Population Percentage ▼ | School District / Population |
| 1. | 5.3% | Golf Elementary School District 67 / 6,857 |
| 2. | 5.3% | Skokie-Fairview School District 72 / 6,315 |
| 3. | 5.2% | Union Ridge School District 86 / 6,529 |
| 4. | 5.1% | Gower School District 62 / 9,602 |
| 5. | 4.9% | Niles Elementary School District 71 / 7,998 |
| 6. | 4.8% | Skokie School District 73-5 / 9,719 |
| 7. | 4.8% | Kenilworth School District 38 / 3,006 |
| 8. | 4.4% | West Northfield School District 31 / 9,898 |
| 9. | 4.2% | Park Ridge Consolidated Community School District 64 / 40,764 |
| 10. | 4.1% | Lincolnwood School District 74 / 12,653 |
| 11. | 4.0% | Bloomingdale School District 13 / 13,521 |
| 12. | 3.9% | Roselle School District 12 / 6,654 |
| 13. | 3.8% | Butler School District 53 / 4,839 |
| 14. | 3.7% | Northbrook/Glenview School District 30 / 10,256 |
| 15. | 3.6% | Ridgewood Community High School District 234 / 19,122 |
| 16. | 3.5% | Palos Heights School District 128 / 9,655 |
| 17. | 3.5% | East Maine School District 63 / 46,677 |
| 18. | 3.4% | Fox River Grove Consolidated School District 3 / 4,266 |
| 19. | 3.4% | East Prairie School District 73 / 4,698 |
| 20. | 3.3% | Palos Community Consolidated School District 118 / 23,432 |
| 21. | 3.1% | Niles Township Community High School District 219 / 96,278 |
| 22. | 3.0% | Glen Ellyn Community Consolidated School District 89 / 21,874 |
| 22. | 3.0% | Oak Lawn-Hometown School District 123 / 35,152 |
| 24. | 3.0% | Maine Township High School District 207 / 146,026 |
| 25. | 3.0% | Pennoyer School District 79 / 5,894 |
| 26. | 2.9% | Libertyville School District 70 / 18,534 |
| 27. | 2.9% | Alsip-Hazelgreen-Oaklawn School District 126 / 17,417 |
| 28. | 2.9% | Northfield Township High School District 225 / 86,734 |
| 29. | 2.9% | Northbrook School District 28 / 14,644 |
| 30. | 2.8% | Lake Forest School District 67 / 18,592 |
| 30. | 2.8% | Homer Community Consolidated School District 33C / 29,870 |
| 32. | 2.8% | Pleasantdale School District 107 / 8,287 |
| 33. | 2.8% | Cass School District 63 / 8,304 |
| 33. | 2.8% | Elmwood Park Community Unit School District 401 / 24,960 |
| 35. | 2.7% | Antioch Community Consolidated School District 34 / 23,761 |
| 35. | 2.7% | North Palos School District 117 / 28,444 |
| 37. | 2.7% | Glenview Community Consolidated School District 34 / 41,222 |
| 38. | 2.7% | Arlington Heights School District 25 / 51,105 |
| 39. | 2.6% | Mount Prospect School District 57 / 20,638 |
| 40. | 2.6% | Goreville Community Unit School District 1 / 3,882 |
| 41. | 2.6% | Norridge School District 80 / 12,089 |
| 42. | 2.5% | Manhattan School District 114 / 9,143 |
| 43. | 2.5% | Rosemont Elementary School District 78 / 2,309 |
| 44. | 2.5% | Columbia Community Unit School District 4 / 12,542 |
| 45. | 2.5% | LaGrange Highlands School District 106 / 9,718 |
| 46. | 2.4% | Westchester School District 92-5 / 16,049 |
| 47. | 2.4% | Avoca School District 37 / 6,435 |
| 47. | 2.4% | Lake Park Community High School District 108 / 50,869 |
| 49. | 2.4% | Lincoln Elementary School District 27 / 13,053 |
| 50. | 2.4% | Hinsdale Township High School District 86 / 75,716 |
| 51. | 2.3% | Elmhurst School District 205 / 47,454 |
| 52. | 2.3% | Libertyville Community High School District 128 / 50,244 |
| 53. | 2.3% | Consolidated High School District 230 / 157,389 |
| 53. | 2.3% | Western Springs School District 101 / 10,072 |
| 55. | 2.2% | Peotone Community Unit School District 207U / 10,749 |
| 56. | 2.2% | Community Consolidated School District 146 / 26,437 |
| 57. | 2.2% | Worth School District 127 / 11,338 |
| 58. | 2.2% | Waltham Community Consolidated School District 185 / 2,429 |
| 58. | 2.2% | Laraway Community Consolidated School District 70C / 3,161 |
| 60. | 2.2% | Hinsdale Community Consolidated School District 181 / 26,135 |
| 60. | 2.2% | Lake Forest Community High School District 115 / 27,017 |
| 62. | 2.2% | Orland School District 135 / 56,257 |
| 63. | 2.1% | Addison School District 4 / 38,180 |
| 64. | 2.1% | Prospect Heights School District 23 / 18,121 |
| 65. | 2.1% | Lisbon Community Consolidated School District 90 / 925 |
| 66. | 2.1% | Will County School District 92 / 14,725 |
| 67. | 2.1% | Lake Zurich Community Unit School District 95 / 31,709 |
| 68. | 2.0% | Schiller Park School District 81 / 13,509 |
| 69. | 2.0% | Community High School District 218 / 121,995 |
| 70. | 2.0% | Chicago Ridge School District 127-5 / 13,466 |
| 71. | 1.9% | Darien School District 61 / 16,179 |
| 72. | 1.9% | Tonica Community Consolidated School District 79 / 1,393 |
| 72. | 1.9% | Gavin School District 37 / 7,729 |
| 74. | 1.9% | Woodland Community Consolidated School District 50 / 50,954 |
| 75. | 1.9% | Spring Lake Community Consolidated School District 606 / 639 |
| 76. | 1.9% | Antioch Community High School District 117 / 44,953 |
| 77. | 1.8% | Riverside School District 96 / 13,991 |
| 78. | 1.8% | Lockport Township High School District 205 / 76,156 |
| 79. | 1.8% | Summit Hill School District 161 / 23,646 |
| 80. | 1.8% | Keeneyville School District 20 / 14,535 |
| 80. | 1.8% | Northbrook Elementary School District 27 / 10,714 |
| 82. | 1.8% | Glen Ellyn School District 41 / 29,772 |
| 82. | 1.8% | St. Libory Consolidated School District 30 / 869 |
| 84. | 1.8% | Oak Lawn Community High School District 229 / 40,564 |
| 84. | 1.8% | Morton Grove School District 70 / 9,241 |
| 84. | 1.8% | Warren Township High School District 121 / 68,666 |
| 87. | 1.8% | Hawthorn Community Consolidated School District 73 / 30,575 |
| 88. | 1.7% | Lockport School District 91 / 6,640 |
| 88. | 1.7% | Township High School District 214 / 253,649 |
| 90. | 1.7% | Des Plaines Community Consolidated School District 62 / 51,990 |
| 91. | 1.7% | Stockton Community Unit School District 206 / 3,877 |
| 92. | 1.7% | Palatine Community Consolidated School District 15 / 119,447 |
| 93. | 1.7% | Wilmette School District 39 / 26,102 |
| 93. | 1.7% | Heritage Community Unit School District 8 / 2,978 |
| 93. | 1.7% | Lyons Township High School District 204 / 69,702 |
| 96. | 1.6% | Yorkville Community Unit School District 115 / 30,038 |
| 96. | 1.6% | Indian Prairie Community Unit School District 204 / 128,486 |
| 98. | 1.6% | Lemont-Bromberek Combined School District 113A / 25,222 |
| 99. | 1.6% | Forest Park School District 91 / 14,010 |
| 100. | 1.6% | Monmouth-Roseville Community Unit School District 238 / 11,641 |
| 101. | 1.6% | Oak Grove School District 68 / 7,189 |
| 101. | 1.6% | Lemont Township High School District 210 / 25,611 |
| 103. | 1.5% | DuPage High School District 88 / 83,355 |
| 103. | 1.5% | Grayslake Consolidated Community School District 46 / 29,536 |
| 103. | 1.5% | Barrington Community Unit School District 220 / 45,392 |
| 103. | 1.5% | Mokena School District 159 / 17,456 |
| 107. | 1.5% | Lincoln Way Community High School District 210 / 105,219 |
| 107. | 1.5% | Evergreen Park Community High School District 231 / 19,924 |
| 107. | 1.5% | Skokie School District 69 / 18,561 |
| 107. | 1.5% | Evergreen Park Elementary School District 124 / 19,924 |
| 107. | 1.5% | Emmons School District 33 / 3,616 |
| 112. | 1.5% | Oglesby Elementary School District 125 / 4,771 |
| 112. | 1.5% | New Trier Township High School District 203 / 60,357 |
| 112. | 1.5% | Mahomet-Seymour Community Unit School District 3 / 14,271 |
| 112. | 1.5% | Elwood Community Consolidated School District 203 / 3,787 |
| 116. | 1.5% | Community Consolidated School District 59 / 66,255 |
| 116. | 1.5% | Kildeer Countryside Community Consolidated School District 96 / 23,374 |
| 116. | 1.5% | Downers Grove Grade School District 58 / 51,933 |
| 119. | 1.5% | Deerfield School District 109 / 20,592 |
| 120. | 1.5% | South Fork School District 14 / 2,601 |
| 120. | 1.5% | Community High School District 99 / 110,458 |
| 122. | 1.5% | Cary Community Consolidated School District 26 / 22,111 |
| 122. | 1.5% | Township High School District 211 / 236,447 |
| 122. | 1.5% | Colona School District 190 / 3,660 |
| 122. | 1.5% | Benton Community Consolidated School District 47 / 10,031 |
| 126. | 1.5% | Westmont Community Unit School District 201 / 12,454 |
| 127. | 1.4% | Salt Creek School District 48 / 8,237 |
| 128. | 1.4% | Riverside Brookfield Township School District 208 / 29,204 |
| 129. | 1.4% | Skokie School District 68 / 20,236 |
| 129. | 1.4% | Gurnee School District 56 / 18,744 |
| 129. | 1.4% | Troy Community Consolidated School District 30C / 36,092 |
| 132. | 1.4% | Edinburg Community Unit School District 4 / 1,949 |
| 133. | 1.4% | Marquardt School District 15 / 26,458 |
| 133. | 1.4% | Atwood Heights School District 125 / 7,926 |
| 135. | 1.4% | Benjamin School District 25 / 6,555 |
| 135. | 1.4% | Glenbard Township High School District 87 / 166,784 |
| 135. | 1.4% | St. Charles Community Unit School District 303 / 68,412 |
| 138. | 1.4% | Rockdale School District 84 / 2,240 |
| 138. | 1.4% | Woodridge School District 68 / 33,075 |
| 140. | 1.4% | Lincoln Community High School District 404 / 23,979 |
| 141. | 1.3% | New Lenox School District 122 / 38,889 |
| 141. | 1.3% | Grass Lake School District 36 / 2,565 |
| 143. | 1.3% | LaGrange School District 102 / 25,438 |
| 144. | 1.3% | Lexington Community Unit School District 7 / 3,063 |
| 144. | 1.3% | River Grove School District 85-5 / 7,881 |
| 146. | 1.3% | Kirby School District 140 / 35,585 |
| 146. | 1.3% | Maercker School District 60 / 18,009 |
| 148. | 1.3% | Orangeville Community Unit School District 203 / 2,851 |
| 148. | 1.3% | Forest Ridge School District 142 / 16,467 |
| 150. | 1.3% | Prairie Grove Community School District 46 / 7,259 |
| 151. | 1.3% | LaGrange School District 105 / 12,573 |
| 152. | 1.3% | Grayslake Community High School District 127 / 44,701 |
| 152. | 1.3% | Itasca School District 10 / 9,040 |
| 154. | 1.2% | Name N/A / 4,816,938 |
| 155. | 1.2% | Wheeling Community Consolidated School District 21 / 66,232 |
| 156. | 1.2% | Lincolnshire-Prairieview School District 103 / 13,006 |
| 157. | 1.2% | Cook County School District 130 / 30,726 |
| 157. | 1.2% | Depue Community Unit School District 103 / 1,865 |
| 159. | 1.2% | Monroe School District 70 / 3,195 |
| 159. | 1.2% | Community Unit School District 200 / 78,843 |
| 159. | 1.2% | Schaumburg Community Consolidated School District 54 / 133,914 |
| 162. | 1.2% | Geneva Community Unit School District 304 / 29,781 |
| 162. | 1.2% | Hillside School District 93 / 5,124 |
| 162. | 1.2% | Taft School District 90 / 3,740 |
| 162. | 1.2% | Bourbonnais School District 53 / 23,144 |
| 166. | 1.2% | Riverview Consolidated Community School District 2 / 2,986 |
| 166. | 1.2% | Lombard School District 44 / 35,594 |
| 166. | 1.2% | Benton Consolidated High School District 103 / 12,420 |
| 166. | 1.2% | Winnebago Community Unit School District 323 / 8,216 |
| 170. | 1.2% | Winnetka School District 36 / 12,008 |
| 170. | 1.2% | Johnsburg Community Unit School District 12 / 12,447 |
| 172. | 1.2% | North Boone Community Unit School District 200 / 8,564 |
| 172. | 1.2% | Adlai E. Stevenson High School District 125 / 61,391 |
| 172. | 1.2% | Ridgeland School District 122 / 21,499 |
| 172. | 1.2% | Community High School District 155 / 96,008 |
| 172. | 1.2% | Frankfort Community Consolidated School District 157C / 17,716 |
| 177. | 1.1% | Central Community Unit School District 301 / 19,083 |
| 177. | 1.1% | McHenry Community Consolidated School District 15 / 42,581 |
| 179. | 1.1% | Paris-Union School District 95 / 8,469 |
| 179. | 1.1% | River Trails School District 26 / 15,589 |
| 181. | 1.1% | Berwyn South School District 100 / 30,676 |
| 182. | 1.1% | Willow Springs School District 108 / 3,450 |
| 182. | 1.1% | Jasper Community Consolidated School District 17 / 1,457 |
| 182. | 1.1% | Marengo-Union Elementary Consolidated District 165 / 10,050 |
| 185. | 1.1% | Indian Springs School District 109 / 24,678 |
| 186. | 1.1% | Cherry School District 92 / 564 |
| 186. | 1.1% | Burbank School District 111 / 29,957 |
| 186. | 1.1% | Joliet Township High School District 204 / 128,441 |
| 189. | 1.1% | Naperville Community Unit District 203 / 96,394 |
| 189. | 1.1% | East Moline School District 37 / 26,610 |
| 191. | 1.1% | Shiloh Village School District 85 / 4,953 |
| 191. | 1.1% | Komarek School District 94 / 4,969 |
| 191. | 1.1% | McHenry Community High School District 156 / 45,604 |
| 194. | 1.1% | Diamond Lake School District 76 / 8,664 |
| 195. | 1.0% | Galena Unit School District 120 / 5,928 |
| 196. | 1.0% | Buncombe Consolidated School District 43 / 721 |
| 196. | 1.0% | Leyden Community High School District 212 / 64,439 |
| 196. | 1.0% | O'Fallon Community Consolidated School District 90 / 29,590 |
| 196. | 1.0% | Plainfield School District 202 / 122,136 |
| 200. | 1.0% | Summersville School District 79 / 1,880 |
| 200. | 1.0% | Coal City Community Unit School District 1 / 11,131 |
| 202. | 1.0% | Pleasant Plains Community Unit School District 8 / 8,049 |
| 203. | 1.0% | Center Cass School District 66 / 11,561 |
| 203. | 1.0% | Pana Community Unit School District 8 / 8,935 |
| 205. | 1.0% | Bensenville School District 2 / 19,900 |
| 205. | 1.0% | Berwyn North School District 98 / 26,086 |
| 207. | 1.0% | United Township High School District 30 / 39,937 |
| 207. | 1.0% | Reavis Township High School District 220 / 33,438 |
| 209. | 1.0% | Geneseo Community Unit School District 228 / 15,989 |
| 209. | 1.0% | Township High School District 113 / 58,572 |
| 211. | 1.0% | Villa Park School District 45 / 36,938 |
| 211. | 1.0% | Dimmick Community Consolidated School District 175 / 1,173 |
| 211. | 1.0% | Argo Community High School District 217 / 40,495 |
| 214. | 0.9% | Huntley Consolidated School District 158 / 43,647 |
| 214. | 0.9% | Bannockburn School District 106 / 2,177 |
| 216. | 0.9% | Wauconda Community Unit School District 118 / 27,619 |
| 216. | 0.9% | Evanston Community Consolidated School District 65 / 83,353 |
| 216. | 0.9% | Minooka Community Consolidated School District 201 / 24,332 |
| 216. | 0.9% | Rondout School District 72 / 1,450 |
| 216. | 0.9% | Lostant Community Unit School District 425 / 748 |
| 216. | 0.9% | Evanston Township High School District 202 / 83,353 |
| 216. | 0.9% | Hutsonville Community Unit School District 1 / 2,100 |
| 223. | 0.9% | School District U-46 / 233,909 |
| 223. | 0.9% | Saratoga Community Consolidated School District 60C / 6,049 |
| 225. | 0.9% | Maroa-Forsyth Community Unit School District 2 / 6,417 |
| 225. | 0.9% | Grant Community High School District 124 / 36,397 |
| 225. | 0.9% | Creston Community Consolidated School District 161 / 1,110 |
| 228. | 0.9% | Giant City Community Consolidated School District 130 / 2,678 |
| 228. | 0.9% | Pekin Public School District108 / 34,388 |
| 230. | 0.9% | Forrestville Valley Community Unit School District 221 / 5,366 |
| 230. | 0.9% | Hiawatha Community Unit School District 426 / 3,168 |
| 230. | 0.9% | O'Fallon Township High School District 203 / 40,469 |
| 233. | 0.9% | Dakota Community Unit School District 201 / 4,909 |
| 233. | 0.9% | Lake Bluff Elementary School District 65 / 8,103 |
| 233. | 0.9% | Crystal Lake Community Consolidated School District 47 / 62,372 |
| 236. | 0.9% | Elmwood Community Unit School District 322 / 3,872 |
| 236. | 0.9% | Central School District 51 / 8,004 |
| 238. | 0.9% | Staunton Community Unit School District 6 / 8,400 |
| 238. | 0.9% | Community Consolidated School District 180 / 6,926 |
| 240. | 0.8% | Chadwick-Milledgeville Community Unit School District 399 / 2,956 |
| 240. | 0.8% | Earlville Community Unit School District 9 / 2,717 |
| 240. | 0.8% | Hamilton County Community Unit School District 10 / 7,794 |
| 240. | 0.8% | Sunset Ridge School District 29 / 4,110 |
| 240. | 0.8% | River Forest School District 90 / 11,211 |
| 245. | 0.8% | South Wilmington Consolidated School District 74 / 975 |
| 245. | 0.8% | Sandwich Community Unit School District 430 / 13,364 |
| 245. | 0.8% | DeKalb Community Unit School District 428 / 52,506 |
| 248. | 0.8% | Joliet Public School District 86 / 83,967 |
| 249. | 0.8% | Moline Unit School District 40 / 48,280 |
| 249. | 0.8% | Waverly Community Unit School District 6 / 1,885 |
| 249. | 0.8% | Marengo Community High School District 154 / 13,691 |
| 252. | 0.8% | Urbana School District 116 / 50,963 |
| 252. | 0.8% | Newark Community High School District 18 / 3,879 |
| 252. | 0.8% | Brookfield School District 95 / 10,872 |
| 252. | 0.8% | Bradley-Bourbonnais Consolidated High School District 307 / 39,974 |
| 256. | 0.8% | Kell Consolidated School District 2 / 993 |
| 257. | 0.8% | Medinah School District 11 / 7,119 |
| 257. | 0.8% | Mount Vernon School District 80 / 13,934 |
| 257. | 0.8% | Kewanee Community Unit School District 229 / 10,897 |
| 257. | 0.8% | LaSalle-Peru Township High School District 120 / 28,956 |
| 257. | 0.8% | Community Unit School District 300 / 111,782 |
| 262. | 0.8% | Fairmont School District 89 / 3,876 |
| 262. | 0.8% | Oak Park and River Forest District 200 / 63,199 |
| 262. | 0.8% | Minooka Community High School District 111 / 38,611 |
| 262. | 0.8% | Fenton Community High School District 100 / 30,212 |
| 266. | 0.8% | Sherrard Community Unit School District 200 / 9,755 |
| 266. | 0.8% | Queen Bee School District 16 / 17,773 |
| 268. | 0.7% | Ashley Community Consolidated School District 15 / 1,836 |
| 268. | 0.7% | Charleston Community Unit School District 1 / 28,395 |
| 268. | 0.7% | Bureau Valley Community Unit School District 340 / 7,195 |
| 268. | 0.7% | Oak Park Elementary School District 97 / 51,988 |
| 272. | 0.7% | Arcola Consolidated Unit School District 306 / 4,441 |
| 272. | 0.7% | Chicago Public School District 299 / 2,712,608 |
| 272. | 0.7% | Franklin Park School District 84 / 11,086 |
| 275. | 0.7% | Big Hollow School District 38 / 15,095 |
| 276. | 0.7% | Warsaw Community Unit School District 316 / 2,539 |
| 276. | 0.7% | Pekin Community High School District 303 / 45,857 |
| 276. | 0.7% | Community Unit School District 16 / 6,213 |
| 279. | 0.7% | East Richland Community Unit School District 1 / 14,132 |
| 279. | 0.7% | Silvis School District 34 / 5,498 |
| 279. | 0.7% | North Shore School District 112 / 35,827 |
| 282. | 0.7% | Edwardsville Community Unit School District 7 / 51,131 |
| 283. | 0.7% | Aptakisic-Tripp Community Consolidated School District / 19,061 |
| 283. | 0.7% | Rock Island School District 41 / 45,317 |
| 283. | 0.7% | Mannheim School District 83 / 21,174 |
| 283. | 0.7% | La Moille Community Unit School District 303 / 1,794 |
| 287. | 0.7% | Iroquois West Community Unit School District 10 / 4,773 |
| 287. | 0.7% | Grand Ridge Community Consolidated School District 95 / 2,792 |
| 287. | 0.7% | Williamsville Community Unit School District 15 / 7,871 |
| 290. | 0.7% | Sycamore Community Unit School District 427 / 22,208 |
| 290. | 0.7% | Dunlap Community Unit School District 323 / 21,236 |
| 292. | 0.7% | Winfield School District 34 / 4,426 |
| 292. | 0.7% | Channahon School District 17 / 10,273 |
| 292. | 0.7% | Bremen Community High School District 228 / 94,083 |
| 292. | 0.7% | Thornton School District 154 / 3,250 |
| 296. | 0.6% | Proviso Township High School District 209 / 126,972 |
| 296. | 0.6% | Limestone Walters Community Consolidated School District 316 / 2,067 |
| 296. | 0.6% | Lyons School District 103 / 22,581 |
| 296. | 0.6% | Lake Villa Community Consolidated School District 41 / 24,136 |
| 300. | 0.6% | Bethel School District 82 / 1,072 |
| 300. | 0.6% | Whiteside School District 115 / 12,608 |
| 300. | 0.6% | Wood River-Hartford Elementary School District 15 / 6,110 |
| 300. | 0.6% | Taylorville Community Unit School District 3 / 18,760 |
| 304. | 0.6% | Champaign Community Unit School District 4 / 95,918 |
| 305. | 0.6% | North Chicago School District 187 / 29,043 |
| 305. | 0.6% | Summit School District 104 / 12,603 |
| 307. | 0.6% | Thomasboro Community Consolidated School District 130 / 2,115 |
| 307. | 0.6% | Carthage Elementary School District 317 / 4,157 |
| 307. | 0.6% | River Bend Community Unit District 2 / 6,722 |
| 307. | 0.6% | Oak Grove School District 68 / 3,692 |
| 307. | 0.6% | Oswego Community Unit School District 308 / 77,693 |
| 307. | 0.6% | Round Lake Community Unit School District 116 / 36,177 |
| 307. | 0.6% | Mundelein Elementary School District 75 / 14,958 |
| 307. | 0.6% | Spring Valley Community Consolidated School District 99 / 6,000 |
| 315. | 0.6% | Hampton School District 29 / 2,357 |
| 315. | 0.6% | Effingham Community Unit School District 40 / 20,319 |
| 317. | 0.6% | Community Consolidated School District 93 / 35,313 |
| 317. | 0.6% | Woodstock Community Unit School District 200 / 37,706 |
| 319. | 0.6% | West Carroll Community Unit School District 314 / 8,557 |
| 319. | 0.6% | Mundelein Consolidated High School District 120 / 44,244 |
| 319. | 0.6% | Community High School District 94 / 41,834 |
| 319. | 0.6% | Greenfield Community Unit School District 10 / 3,094 |
| 319. | 0.6% | Flossmoor School District 161 / 21,927 |
| 324. | 0.6% | Bond County Community Unit School District 2 / 13,391 |
| 324. | 0.6% | East Peoria School District 86 / 18,966 |
| 326. | 0.6% | Union School District 81 / 1,631 |
| 326. | 0.6% | Sunnybrook School District 171 / 10,897 |
| 326. | 0.6% | Marissa Community Unit School District 40 / 3,476 |
| 326. | 0.6% | Camp Point Community Unit School District 3 / 4,876 |
| 326. | 0.6% | Decatur School District 61 / 71,435 |
| 331. | 0.5% | Aurora West Unit School District 129 / 75,509 |
| 332. | 0.5% | Fox Lake Grade School District 114 / 8,628 |
| 332. | 0.5% | McLean County Unit School District 5 / 97,056 |
| 334. | 0.5% | J. Sterling Morton High School District 201 / 159,527 |
| 334. | 0.5% | Peru Elementary School District 124 / 10,353 |
| 334. | 0.5% | Dongola School Unit District 66 / 2,027 |
| 334. | 0.5% | Alwood Community Unit School District 225 / 2,643 |
| 334. | 0.5% | Oakdale Community Consolidated School District 1 / 714 |
| 339. | 0.5% | Alden-Hebron School District 19 / 2,572 |
| 339. | 0.5% | Wesclin Community Unit School District 3 / 7,971 |
| 339. | 0.5% | Atwood-Hammond Community Unit School District 39 / 2,444 |
| 339. | 0.5% | Peoria Heights Community Unit School District 325 / 6,914 |
| 343. | 0.5% | East Alton-Wood River Community High School District 14 / 13,730 |
| 343. | 0.5% | Schuyler-Industry Community Unit School District 5 / 7,745 |
| 343. | 0.5% | Canton Union School District 66 / 17,530 |
| 346. | 0.5% | Eastland Community Unit School District 308 / 4,291 |
| 346. | 0.5% | Morton Community Unit School District 709 / 18,942 |
| 348. | 0.5% | Harvard Community Unit School District 50 / 13,486 |
| 348. | 0.5% | Mount Vernon Township High School District 201 / 29,843 |
| 348. | 0.5% | Hoyleton Consolidated School District 29 / 977 |
| 348. | 0.5% | Seneca Community Consolidated School District 170 / 3,778 |
| 348. | 0.5% | Illini West High School District 307 / 8,403 |
| 353. | 0.5% | Flora Community Unit School District 35 / 8,030 |
| 353. | 0.5% | Rochelle Community Consolidated District 231 / 13,472 |
| 353. | 0.5% | Leland Community Unit School District 1 / 1,738 |
| 353. | 0.5% | Dwight Common School District 232 / 6,628 |
| 353. | 0.5% | Lansing School District 158 / 22,864 |
| 358. | 0.5% | Morris Community High School District 101 / 18,171 |
| 358. | 0.5% | Illinois Valley Central Unit School District 321 / 13,507 |
| 358. | 0.5% | Ball-Chatham Community Unit School District 5 / 27,509 |
| 358. | 0.5% | Dwight Township High School District 230 / 6,859 |
| 358. | 0.5% | Berkeley School District 87 / 22,520 |
| 358. | 0.5% | Wayne City Community Unit School District 100 / 3,702 |
| 358. | 0.5% | East Peoria Community High School District 309 / 26,544 |
| 358. | 0.5% | Farmington Central Community Unit School District 265 / 7,945 |
| 358. | 0.5% | Hall High School District 502 / 9,128 |
| 367. | 0.5% | Community Consolidated School District 168 / 10,352 |
| 367. | 0.5% | Fremont School District 79 / 20,516 |
| 367. | 0.5% | Rochelle Township High School District 212 / 16,991 |
| 370. | 0.4% | Midlothian School District 143 / 15,241 |
| 370. | 0.4% | Millburn Community Consolidated School District 24 / 8,008 |
| 370. | 0.4% | Rutland Community Consolidated School District 230 / 785 |
| 370. | 0.4% | Winchester Community Unit School District 1 / 3,769 |
| 370. | 0.4% | Bismarck-Henning Consolidated Unit School District / 5,065 |
| 375. | 0.4% | Putnam County Community Unit School District 535 / 5,514 |
| 375. | 0.4% | Rockton School District 140 / 11,945 |
| 375. | 0.4% | Trico Community Unit School District 176 / 6,317 |
| 375. | 0.4% | Bloomington School District 87 / 44,445 |
| 375. | 0.4% | Kankakee School District 111 / 32,510 |
| 380. | 0.4% | La Harpe Community School District 347 / 2,240 |
| 380. | 0.4% | Monticello Community Unit School District 25 / 8,965 |
| 380. | 0.4% | Homewood-Flossmoor Community High School District 233 / 38,929 |
| 383. | 0.4% | Gillespie Community Unit School District 7 / 7,873 |
| 383. | 0.4% | Macomb Community Unit School District 185 / 22,464 |
| 383. | 0.4% | East Alton School District 13 / 7,620 |
| 383. | 0.4% | Beach Park Community Consolidated School District 3 / 20,446 |
| 387. | 0.4% | Northwestern Community Unit School District 2 / 2,079 |
| 387. | 0.4% | Tolono Community Unit School District 7 / 9,537 |
| 387. | 0.4% | Pontiac Community Consolidated School District 429 / 13,646 |
| 387. | 0.4% | Newark Community Consolidated School District 66 / 2,809 |
| 391. | 0.4% | Richmond-Burton Community High School District 157 / 11,648 |
| 391. | 0.4% | West Chicago School District 33 / 30,853 |
| 391. | 0.4% | Nippersink School District 2 / 11,648 |
| 391. | 0.4% | Rockridge Community Unit School District 300 / 7,224 |
| 391. | 0.4% | Bartonville School District 66 / 2,549 |
| 391. | 0.4% | El Paso-Gridley Community Unit School District 11 / 7,195 |
| 391. | 0.4% | Flanagan-Cornell District 74 / 1,727 |
| 398. | 0.4% | West Washington County Community Unit District 10 / 4,012 |
| 398. | 0.4% | Chaney-Monge School District 88 / 7,237 |
| 400. | 0.4% | Cissna Park Community Unit School District 6 / 1,807 |
| 400. | 0.4% | Reed Custer Community Unit School District 255U / 9,343 |
| 402. | 0.4% | Braceville School District 75 / 1,399 |
| 403. | 0.4% | Limestone Community High School District 310 / 22,599 |
| 403. | 0.4% | Pontiac Township High School District 90 / 16,267 |
| 403. | 0.4% | Indian Creek Community Unit District 425 / 4,384 |
| 403. | 0.4% | Cowden-Herrick Community Unit School District 3A / 2,582 |
| 407. | 0.3% | Wood Dale School District 7 / 10,312 |
| 407. | 0.3% | Clinton Community Unit School District 15 / 12,177 |
| 407. | 0.3% | Zion-Benton Township High School District 126 / 44,560 |
| 410. | 0.3% | Valley View Community Unit School District 365U / 92,995 |
| 410. | 0.3% | Alton Community Unit School District 11 / 48,514 |
| 410. | 0.3% | Zion Elementary School District 6 / 17,432 |
| 410. | 0.3% | Ottawa Elementary School District 141 / 19,628 |
| 410. | 0.3% | Deer Park Community Consolidated School District 82 / 718 |
| 410. | 0.3% | Hillsboro Community Unit School District 3 / 14,713 |
| 410. | 0.3% | Palestine Community Unit School District 3 / 2,464 |
| 410. | 0.3% | Hinckley-Big Rock Community Unit School District 429 / 4,715 |
| 418. | 0.3% | Posen-Robbins Elementary School District 143-5 / 12,155 |
| 418. | 0.3% | Hartsburg-Emden Community Unit School District 21 / 1,063 |
| 418. | 0.3% | Tri-Point Community Unit School District 6-J / 3,173 |
| 418. | 0.3% | Rock Falls Elementary School District 13 / 8,878 |
| 418. | 0.3% | Bradley School District 61 / 13,139 |
| 418. | 0.3% | Gardner-South Wilmington Township High School District / 4,037 |
| 418. | 0.3% | Rockford School District 205 / 191,430 |
| 425. | 0.3% | Carlyle Community Unit School District 1 / 9,775 |
| 425. | 0.3% | Batavia Unit School District 101 / 31,774 |
| 425. | 0.3% | Thornton Fractional Township High School District 215 / 60,994 |
| 425. | 0.3% | Joppa-Maple Grove Unit District 38 / 1,492 |
| 425. | 0.3% | Eswood Community Consolidated District 269 / 743 |
| 425. | 0.3% | Cambridge Community Unit School District 227 / 2,861 |
| 425. | 0.3% | Ina Community Consolidated School District 8 / 3,060 |
| 432. | 0.3% | Kaneland Community Unit School District 302 / 25,778 |
| 432. | 0.3% | Granite City Community Unit School District 9 / 43,198 |
| 432. | 0.3% | Dolton School District 149 / 27,206 |
| 432. | 0.3% | Damiansville School District 62 / 756 |
| 432. | 0.3% | Washington Community High School District 308 / 23,857 |
| 437. | 0.3% | Malden Community Consolidated School District 84 / 869 |
| 437. | 0.3% | Peoria School District 150 / 101,620 |
| 437. | 0.3% | Hamilton Community Consolidated School District 328 / 3,870 |
| 437. | 0.3% | Franklin Community Unit School District 1 / 2,004 |
| 437. | 0.3% | Belvidere Consolidated Unit School District 100 / 45,001 |
| 442. | 0.3% | Rhodes School District 84-5 / 4,870 |
| 442. | 0.3% | Dixon Unit School District 170 / 22,133 |
| 442. | 0.3% | Byron Community Unit School District 226 / 7,955 |
| 442. | 0.3% | New Athens Community Unit School District 60 / 3,561 |
| 442. | 0.3% | Waukegan Community Unit School District 60 / 83,647 |
| 442. | 0.3% | Red Hill Community Unit School District 10 / 9,035 |
| 448. | 0.3% | Ottawa Township High School District 140 / 31,237 |
| 448. | 0.3% | Meridian Community Unit School District 15 / 6,569 |
| 448. | 0.3% | Creve Coeur School District 76 / 6,406 |
| 448. | 0.3% | Richland School District 88A / 9,948 |
| 448. | 0.3% | Lisle Community Unit School District 202 / 13,791 |
| 448. | 0.3% | Harmony Emge School District 175 / 10,158 |
| 448. | 0.3% | Marion Community Unit School District 2 / 27,844 |
| 448. | 0.3% | Central Community Unit School District 4 / 6,653 |
| 448. | 0.3% | Collinsville Community Unit School District 10 / 48,076 |
| 448. | 0.3% | Westville Community Unit School District 2 / 6,818 |
| 448. | 0.3% | Crete-Monee Community Unit School District 201-U / 33,368 |
| 448. | 0.3% | Mattoon Community Unit School District 2 / 23,177 |
| 460. | 0.3% | Triad Community Unit School District 2 / 21,195 |
| 460. | 0.3% | Martinsville Community Unit School District 3C / 2,335 |
| 460. | 0.3% | Homewood School District 153 / 16,461 |
| 460. | 0.3% | Park Forest School District 163 / 15,658 |
| 460. | 0.3% | Saunemin Community Consolidated School District 438 / 908 |
| 460. | 0.3% | Riverdale Community Unit School District 100 / 6,402 |
| 460. | 0.3% | Nettle Creek Community Consolidated School District 24C / 851 |
| 460. | 0.3% | Pecatonica Community Unit School District 321 / 5,092 |
| 468. | 0.3% | Murphysboro Community Unit School District 186 / 15,544 |
| 468. | 0.3% | Bethalto Consolidated Unit School District 8 / 15,879 |
| 468. | 0.3% | West Prairie Community Unit School District 103 / 4,809 |
| 468. | 0.3% | Seneca Township High School District 160 / 7,356 |
| 468. | 0.3% | Bement Community Unit School District 5 / 2,521 |
| 468. | 0.3% | Nashville Community High School District 99 / 8,905 |
| 474. | 0.2% | Rock Falls Township High School District 301 / 14,656 |
| 474. | 0.2% | Harlem Unit School District 122 / 44,262 |
| 476. | 0.2% | Illini Bluffs Community Unit School District 327 / 6,133 |
| 476. | 0.2% | Montmorency Community Consolidated School District 145 / 2,745 |
| 476. | 0.2% | Prairie Hill Community Consolidated School District 133 / 5,451 |
| 476. | 0.2% | Morris School District 54 / 11,448 |
| 476. | 0.2% | Momence Community Unit School District 1 / 7,218 |
| 476. | 0.2% | Frankfort Community Unit School District 168 / 11,868 |
| 482. | 0.2% | Athens Community Unit School District 213 / 5,000 |
| 482. | 0.2% | Beecher Community Unit School District 200U / 6,985 |
| 482. | 0.2% | Mendota Community Consolidated School District 289 / 11,018 |
| 482. | 0.2% | River Ridge Community Unit School District 210 / 3,566 |
| 482. | 0.2% | Mendota Township High School District 280 / 11,061 |
| 482. | 0.2% | Dallas Elementary School District 327 / 2,006 |
| 482. | 0.2% | Olympia Community Unit School District 16 / 11,585 |
| 489. | 0.2% | Mercer County School District 404 / 8,463 |
| 489. | 0.2% | Auburn Community Unit School District 10 / 6,990 |
| 489. | 0.2% | Delavan Community Unit School District 703 / 2,593 |
| 489. | 0.2% | Jacksonville School District 117 / 28,184 |
| 493. | 0.2% | Miller Township Community Consolidated School District / 2,327 |
| 493. | 0.2% | Galesburg Community Unit School District 205 / 34,850 |
| 493. | 0.2% | Fieldcrest Community Unit School District 6 / 6,842 |
| 493. | 0.2% | Hardin County Community Unit School District 1 / 4,226 |
| 493. | 0.2% | Hononegah Community High School District 207 / 32,556 |
| 493. | 0.2% | Highland Community Unit School District 5 / 18,392 |
| 493. | 0.2% | Carterville Community Unit School District 5 / 11,927 |
| 493. | 0.2% | Streator Township High School District 40 / 18,378 |
| 501. | 0.2% | Metamora Township High School District 122 / 16,360 |
| 501. | 0.2% | Princeton High School District 500 / 12,376 |
| 501. | 0.2% | Wolf Branch School District 113 / 7,789 |
| 501. | 0.2% | Argenta-Oreana Community Unit School District 1 / 3,854 |
| 501. | 0.2% | Mascoutah Community Unit School District 19 / 17,996 |
| 501. | 0.2% | Herscher Community Unit School District 2 / 10,651 |
| 501. | 0.2% | Vienna School District 55 / 4,547 |
| 501. | 0.2% | Carbondale Community High School District 165 / 37,544 |
| 509. | 0.2% | Havana Community Unit School District 126 / 6,545 |
| 509. | 0.2% | Okaw Valley Community Unit School District 302 / 3,423 |
| 509. | 0.2% | Western Community Unit School District 12 / 3,670 |
| 509. | 0.2% | Princeton Elementary School District 115 / 11,523 |
| 513. | 0.2% | Genoa-Kingston Community Unit School District 424 / 9,139 |
| 513. | 0.2% | Vienna High School District 133 / 8,921 |
| 513. | 0.2% | Roxana Community Unit School District 1 / 12,372 |
| 513. | 0.2% | Fairfield Community High School District 225 / 10,034 |
| 513. | 0.2% | South Central Community Unit School District 401 / 5,051 |
| 513. | 0.2% | Danville Community Consolidated School District 118 / 38,933 |
| 519. | 0.2% | Springfield School District 186 / 113,609 |
| 519. | 0.2% | Bloom Township High School District 206 / 64,695 |
| 519. | 0.2% | Warren Community Unit School District 205 / 2,969 |
| 519. | 0.2% | Hoover-Schrum Memorial School District 157 / 8,237 |
| 519. | 0.2% | Carbondale Elementary School District 95 / 27,528 |
| 519. | 0.2% | Dalzell School District 98 / 740 |
| 525. | 0.2% | Robinson Community Unit School District 2 / 11,988 |
| 525. | 0.2% | Marseilles Elementary School District 150 / 4,120 |
| 525. | 0.2% | Wabash Community Unit School District 348 / 10,610 |
| 525. | 0.2% | St. Elmo Community Unit School District 202 / 2,784 |
| 525. | 0.2% | Rich Township High School District 227 / 70,027 |
| 525. | 0.2% | Midwest Central Community Unit School District 191 / 6,175 |
| 525. | 0.2% | Belle Valley School District 119 / 9,582 |
| 525. | 0.2% | Eldorado Community Unit School District 4 / 7,286 |
| 525. | 0.2% | Belleville Township High School District 201 / 108,125 |
| 525. | 0.2% | Lee Center Community Unit School District 271 / 1,617 |
| 525. | 0.2% | Lawrence County Community Unit District 20 / 7,744 |
| 536. | 0.1% | Prairieview-Ogden Community Consolidated School District 197 / 2,416 |
| 536. | 0.1% | Porta Community Unit School District 202 / 7,234 |
| 536. | 0.1% | Steger School District 194 / 13,985 |
| 536. | 0.1% | Williamsfield Community Unit School District 210 / 1,910 |
| 536. | 0.1% | Chester Community Unit School District 139 / 11,183 |
| 536. | 0.1% | Stark County Community Unit School District 100 / 4,688 |
| 536. | 0.1% | Winthrop Harbor School District 1 / 6,682 |
| 543. | 0.1% | Chicago Heights School District 170 / 24,090 |
| 543. | 0.1% | De Soto Consolidated School District 86 / 1,900 |
| 543. | 0.1% | Streator Elementary School District 44 / 16,545 |
| 543. | 0.1% | Country Club Hills School District 160 / 12,495 |
| 543. | 0.1% | Litchfield Community Unit School District 12 / 8,873 |
| 543. | 0.1% | Du Quoin Community Unit School District 300 / 9,591 |
| 543. | 0.1% | New Holland-Middletown Elementary School District 88 / 915 |
| 543. | 0.1% | South Holland School District 150 / 10,183 |
| 543. | 0.1% | Glencoe School District 35 / 8,696 |
| 543. | 0.1% | Arbor Park School District 145 / 12,821 |
| 553. | 0.1% | Matteson Elementary School District 162 / 25,667 |
| 553. | 0.1% | Freeburg Community High School District 77 / 13,146 |
| 553. | 0.1% | Carrollton Community Unit School District 1 / 4,147 |
| 553. | 0.1% | Amboy Community Unit School District 272 / 5,036 |
| 557. | 0.1% | Quincy School District 172 / 51,109 |
| 557. | 0.1% | Somonauk Community Unit School District 432 / 5,089 |
| 557. | 0.1% | West Lincoln-Broadwell Elementary School District 92 / 4,963 |
| 557. | 0.1% | Bunker Hill Community Unit School District 8 / 4,468 |
| 557. | 0.1% | Thornton Township High School District 205 / 114,889 |
| 557. | 0.1% | New Hope Community Consolidated School District 6 / 1,512 |
| 557. | 0.1% | Teutopolis Community Unit School District 50 / 5,323 |
| 557. | 0.1% | Eureka Community Unit District 140 / 9,835 |
| 565. | 0.1% | V.I.T. Community Unit School District 2 / 2,461 |
| 565. | 0.1% | Zeigler-Royalton Community Unit School District 188 / 4,186 |
| 565. | 0.1% | Cicero School District 99 / 84,481 |
| 565. | 0.1% | Cahokia Community Unit School District 187 / 18,889 |
| 565. | 0.1% | Calumet City School District 155 / 11,610 |
| 565. | 0.1% | Grant Park Community Unit School District 6 / 3,320 |
| 565. | 0.1% | LaSalle Elementary School District 122 / 8,895 |
| 565. | 0.1% | Rochester Community Unit School District 3A / 10,780 |
| 565. | 0.1% | Maywood-Melrose Park-Broadview School District 89 / 44,483 |
| 574. | 0.1% | South Beloit Community Unit School District 320 / 6,688 |
| 574. | 0.1% | Pope County Community Unit School District 1 / 4,362 |
| 574. | 0.1% | Jersey Community Unit School District 100 / 20,185 |
| 577. | 0.1% | Elementary School District 159 / 19,971 |
| 577. | 0.1% | Aurora East Unit School District 131 / 84,673 |
| 577. | 0.1% | Centralia School District 135 / 13,320 |
| 580. | 0.1% | Rantoul Township High School District 193 / 17,660 |
| 580. | 0.1% | Mount Zion Community Unit School District 3 / 12,245 |
| 580. | 0.1% | Waterloo Community Unit School District 5 / 17,772 |
| 580. | 0.1% | Scales Mound Community Unit School District 211 / 1,624 |
| 580. | 0.1% | Blue Ridge Community Unit School District 18 / 5,126 |
| 585. | 0.1% | South Holland School District 151 / 13,930 |
| 585. | 0.1% | Durand Community Unit School District 322 / 3,672 |
| 585. | 0.1% | Donovan Community Unit School District 3 / 2,005 |
| 585. | 0.1% | Belleville School District 118 / 37,394 |
| 585. | 0.1% | Breese School District 12 / 7,258 |
| 590. | 0.1% | Name N/A / 8,695 |
| 590. | 0.1% | Prairie-Hills Elementary School District 144 / 22,837 |
| 590. | 0.1% | Salem Community High School District 600 / 15,043 |
| 590. | 0.1% | Dieterich Community Unit School District 30 / 2,499 |
| 590. | 0.1% | Arthur Community Unit School District 305 / 7,681 |
| 590. | 0.1% | Centralia High School District 200 / 21,153 |
| 596. | 0.0% | St. Joseph-Ogden Community High School District 305 / 8,276 |
| 596. | 0.0% | Freeport School District 145 / 30,082 |
| 596. | 0.0% | Central Community High School District 71 / 16,730 |
| 596. | 0.0% | Midland Community Unit School District 7 / 5,510 |
| 596. | 0.0% | Egyptian Community Unit School District 5 / 3,709 |
| 596. | 0.0% | Sterling Community Unit District 5 / 21,850 |
| 602. | 0.0% | Harvey School District 152 / 16,747 |
| 602. | 0.0% | Meridian Community Unit School District 223 / 8,741 |
| 602. | 0.0% | Red Bud Community Unit School District 132 / 7,965 |
| 602. | 0.0% | East St. Louis School District 189 / 37,689 |
| 602. | 0.0% | Prairie Central Community Unit School District 8 / 11,089 |
| 607. | 0.0% | Bellwood School District 88 / 23,074 |
| 607. | 0.0% | Chester-East Lincoln Community Csd 61 / 5,048 |
Please note that we only rank locations with 'Greek as First Ancestry Population Percentage' data. The rank above might not be a complete list. Locations without 'Greek as First Ancestry Population Percentage' data are not listed.
