| Rank | Greek as First Ancestry Population Percentage ▼ | School District / Population |
| 1. | 8.1% | Skokie-Fairview School District 72 / 6,662 |
| 2. | 8.0% | Lincolnwood School District 74 / 11,782 |
| 3. | 7.0% | Shiloh Village School District 85 / 5,353 |
| 4. | 6.4% | East Prairie School District 73 / 4,515 |
| 5. | 5.3% | Norridge School District 80 / 12,435 |
| 6. | 5.2% | West Northfield School District 31 / 9,246 |
| 7. | 5.0% | Bannockburn School District 106 / 2,028 |
| 8. | 4.8% | Sunset Ridge School District 29 / 4,088 |
| 9. | 4.7% | River Trails School District 26 / 15,778 |
| 10. | 4.7% | North Palos School District 117 / 26,239 |
| 11. | 4.7% | Palos Community Consolidated School District 118 / 23,341 |
| 12. | 4.7% | Niles Elementary School District 71 / 7,270 |
| 13. | 4.6% | Schiller Park School District 81 / 12,479 |
| 14. | 4.4% | Northbrook Elementary School District 27 / 11,603 |
| 15. | 4.4% | Palos Heights School District 128 / 9,613 |
| 16. | 4.4% | Ridgewood Community High School District 234 / 18,237 |
| 17. | 4.3% | Pleasantdale School District 107 / 8,126 |
| 18. | 4.0% | Morton Grove School District 70 / 8,293 |
| 19. | 4.0% | Butler School District 53 / 5,478 |
| 20. | 3.9% | Rosemont Elementary School District 78 / 1,857 |
| 21. | 3.9% | Addison School District 4 / 37,455 |
| 22. | 3.9% | Pennoyer School District 79 / 4,852 |
| 23. | 3.8% | Consolidated High School District 230 / 155,984 |
| 24. | 3.8% | Glenview Community Consolidated School District 34 / 39,907 |
| 25. | 3.7% | Park Ridge Consolidated Community School District 64 / 39,374 |
| 26. | 3.7% | Westchester School District 92-5 / 14,871 |
| 27. | 3.6% | Niles Township Community High School District 219 / 94,511 |
| 28. | 3.6% | Itasca School District 10 / 8,500 |
| 29. | 3.6% | Kirby School District 140 / 40,025 |
| 30. | 3.5% | Northfield Township High School District 225 / 85,342 |
| 31. | 3.5% | Orland School District 135 / 53,482 |
| 32. | 3.5% | Golf Elementary School District 67 / 6,306 |
| 33. | 3.4% | East Maine School District 63 / 45,166 |
| 34. | 3.4% | Kenilworth School District 38 / 2,887 |
| 35. | 3.3% | Avoca School District 37 / 5,818 |
| 36. | 3.3% | Northbrook/Glenview School District 30 / 10,861 |
| 36. | 3.3% | Maine Township High School District 207 / 139,587 |
| 38. | 3.2% | Elmwood Park Community Unit School District 401 / 23,988 |
| 39. | 3.0% | Hinsdale Community Consolidated School District 181 / 26,716 |
| 40. | 3.0% | Mokena School District 159 / 17,361 |
| 41. | 3.0% | Oak Lawn-Hometown School District 123 / 32,880 |
| 42. | 2.9% | Deer Park Community Consolidated School District 82 / 749 |
| 43. | 2.9% | Community Consolidated School District 59 / 63,662 |
| 44. | 2.8% | Mount Prospect School District 57 / 19,671 |
| 45. | 2.8% | River Grove School District 85-5 / 7,819 |
| 46. | 2.8% | Barrington Community Unit School District 220 / 44,741 |
| 47. | 2.8% | Summit Hill School District 161 / 21,129 |
| 48. | 2.7% | Hampton School District 29 / 2,070 |
| 48. | 2.7% | Cary Community Consolidated School District 26 / 23,250 |
| 50. | 2.7% | Lincolnshire-Prairieview School District 103 / 13,705 |
| 51. | 2.6% | Wood Dale School District 7 / 10,582 |
| 51. | 2.6% | Fox River Grove Consolidated School District 3 / 4,841 |
| 53. | 2.5% | Gower School District 62 / 10,468 |
| 53. | 2.5% | Hiawatha Community Unit School District 426 / 3,568 |
| 55. | 2.5% | Wilmette School District 39 / 26,023 |
| 56. | 2.5% | East Dubuque Community Unit School District 119 / 4,145 |
| 56. | 2.5% | Des Plaines Community Consolidated School District 62 / 49,282 |
| 58. | 2.5% | Frankfort Community Consolidated School District 157C / 16,507 |
| 59. | 2.4% | New Trier Township High School District 203 / 59,667 |
| 60. | 2.4% | Homer Community Consolidated School District 33C / 26,946 |
| 61. | 2.3% | Kings Consolidated School District 144 / 1,029 |
| 62. | 2.3% | DuPage High School District 88 / 82,390 |
| 63. | 2.3% | Arlington Heights School District 25 / 48,637 |
| 64. | 2.2% | Medinah School District 11 / 6,787 |
| 65. | 2.2% | Hinsdale Township High School District 86 / 77,530 |
| 65. | 2.2% | Elmhurst School District 205 / 48,567 |
| 67. | 2.2% | Will County School District 92 / 15,428 |
| 68. | 2.2% | Fairfield Public School District 112 / 6,251 |
| 69. | 2.2% | Alsip-Hazelgreen-Oaklawn School District 126 / 15,865 |
| 70. | 2.2% | Steger School District 194 / 14,119 |
| 71. | 2.1% | Eureka Community Unit District 140 / 9,590 |
| 72. | 2.1% | Auburn Community Unit School District 10 / 6,606 |
| 72. | 2.1% | Prospect Heights School District 23 / 17,863 |
| 74. | 2.1% | LaGrange School District 102 / 24,056 |
| 75. | 2.1% | Winnetka School District 36 / 12,080 |
| 76. | 2.1% | Pecatonica Community Unit School District 321 / 4,940 |
| 76. | 2.1% | Downers Grove Grade School District 58 / 53,011 |
| 78. | 2.1% | Township High School District 214 / 245,678 |
| 79. | 2.0% | Woodridge School District 68 / 32,922 |
| 80. | 2.0% | Oak Grove School District 68 / 7,275 |
| 81. | 2.0% | Lake Forest School District 67 / 20,797 |
| 82. | 2.0% | Bloomingdale School District 13 / 13,793 |
| 82. | 2.0% | Chicago Ridge School District 127-5 / 12,301 |
| 84. | 2.0% | Brookfield School District 95 / 10,669 |
| 85. | 1.9% | Cass School District 63 / 8,572 |
| 85. | 1.9% | Lincoln Way Community High School District 210 / 99,403 |
| 87. | 1.9% | Antioch Community Consolidated School District 34 / 21,954 |
| 88. | 1.9% | Lake Park Community High School District 108 / 51,742 |
| 89. | 1.9% | Wauconda Community Unit School District 118 / 25,107 |
| 90. | 1.9% | Community High School District 218 / 117,651 |
| 91. | 1.9% | Skokie School District 73-5 / 10,593 |
| 92. | 1.8% | Skokie School District 69 / 17,977 |
| 93. | 1.8% | Kaneland Community Unit School District 302 / 23,164 |
| 94. | 1.8% | Oak Grove School District 68 / 3,595 |
| 95. | 1.8% | Indian Springs School District 109 / 23,303 |
| 96. | 1.8% | Fox Lake Grade School District 114 / 9,238 |
| 96. | 1.8% | Kildeer Countryside Community Consolidated School District 96 / 24,304 |
| 98. | 1.8% | Geneva Community Unit School District 304 / 27,729 |
| 99. | 1.7% | Palatine Community Consolidated School District 15 / 117,755 |
| 100. | 1.7% | Community High School District 99 / 110,166 |
| 100. | 1.7% | Lyons Township High School District 204 / 66,137 |
| 100. | 1.7% | Riverside Brookfield Township School District 208 / 27,463 |
| 100. | 1.7% | Flora Community Unit School District 35 / 8,389 |
| 104. | 1.7% | Wood River-Hartford Elementary School District 15 / 7,179 |
| 105. | 1.7% | Libertyville Community High School District 128 / 49,804 |
| 105. | 1.7% | Glen Ellyn Community Consolidated School District 89 / 21,504 |
| 107. | 1.7% | Rockdale School District 84 / 2,338 |
| 108. | 1.7% | Adlai E. Stevenson High School District 125 / 63,081 |
| 108. | 1.7% | Riverside School District 96 / 12,776 |
| 108. | 1.7% | Lockport Township High School District 205 / 75,447 |
| 111. | 1.6% | Community Consolidated School District 146 / 28,647 |
| 111. | 1.6% | O'Fallon Township High School District 203 / 36,794 |
| 113. | 1.6% | Cook County School District 130 / 29,069 |
| 114. | 1.6% | Farrington Community Consolidated School District 99 / 532 |
| 114. | 1.6% | Lake Forest Community High School District 115 / 29,962 |
| 116. | 1.6% | Antioch Community High School District 117 / 43,663 |
| 116. | 1.6% | Warren Township High School District 121 / 64,294 |
| 116. | 1.6% | Emmons School District 33 / 3,610 |
| 119. | 1.6% | Fremont School District 79 / 14,383 |
| 120. | 1.6% | Hawthorn Community Consolidated School District 73 / 28,155 |
| 120. | 1.6% | Cerro Gordo Community Unit School District 100 / 2,810 |
| 120. | 1.6% | Fenton Community High School District 100 / 31,126 |
| 120. | 1.6% | St. Libory Consolidated School District 30 / 741 |
| 124. | 1.6% | Westmont Community Unit School District 201 / 13,713 |
| 124. | 1.6% | Leyden Community High School District 212 / 61,917 |
| 124. | 1.6% | Township High School District 211 / 234,105 |
| 127. | 1.5% | Rondout School District 72 / 1,808 |
| 128. | 1.5% | Frankfort Community Unit School District 168 / 11,766 |
| 129. | 1.5% | Woodland Community Consolidated School District 50 / 49,686 |
| 130. | 1.5% | Lombard School District 44 / 34,789 |
| 130. | 1.5% | Grant Park Community Unit School District 6 / 3,539 |
| 130. | 1.5% | Roselle School District 12 / 7,990 |
| 130. | 1.5% | Lemont-Bromberek Combined School District 113A / 23,543 |
| 130. | 1.5% | Rutland Community Consolidated School District 230 / 755 |
| 130. | 1.5% | Minooka Community Consolidated School District 201 / 16,323 |
| 136. | 1.5% | Lemont Township High School District 210 / 23,740 |
| 137. | 1.5% | Wesclin Community Unit School District 3 / 7,196 |
| 138. | 1.5% | Virginia Community Unit School District 64 / 2,417 |
| 139. | 1.4% | Gurnee School District 56 / 16,011 |
| 139. | 1.4% | Lake Zurich Community Unit School District 95 / 33,213 |
| 139. | 1.4% | Oak Lawn Community High School District 229 / 37,054 |
| 142. | 1.4% | Community High School District 155 / 96,663 |
| 142. | 1.4% | Chaney-Monge School District 88 / 5,813 |
| 144. | 1.4% | Evanston Community Consolidated School District 65 / 84,695 |
| 144. | 1.4% | Evanston Township High School District 202 / 84,695 |
| 146. | 1.4% | Union Ridge School District 86 / 5,490 |
| 146. | 1.4% | Sycamore Community Unit School District 427 / 20,999 |
| 146. | 1.4% | Burbank School District 111 / 28,473 |
| 146. | 1.4% | Name N/A / 4,722,093 |
| 146. | 1.4% | Thornton School District 154 / 2,590 |
| 151. | 1.4% | Schaumburg Community Consolidated School District 54 / 132,880 |
| 151. | 1.4% | St. Charles Community Unit School District 303 / 64,237 |
| 153. | 1.4% | Lake Villa Community Consolidated School District 41 / 22,282 |
| 154. | 1.4% | Fairfield Community High School District 225 / 10,364 |
| 155. | 1.4% | Willow Springs School District 108 / 4,045 |
| 155. | 1.4% | Bourbonnais School District 53 / 23,115 |
| 155. | 1.4% | Troy Community Consolidated School District 30C / 35,403 |
| 155. | 1.4% | Community Consolidated School District 168 / 10,033 |
| 159. | 1.3% | Hillside School District 93 / 5,305 |
| 159. | 1.3% | Glen Ellyn School District 41 / 29,260 |
| 161. | 1.3% | Peotone Community Unit School District 207U / 10,965 |
| 161. | 1.3% | Earlville Community Unit School District 9 / 2,812 |
| 163. | 1.3% | Evergreen Park Community High School District 231 / 19,356 |
| 163. | 1.3% | Alden-Hebron School District 19 / 3,069 |
| 163. | 1.3% | Evergreen Park Elementary School District 124 / 19,356 |
| 163. | 1.3% | Argo Community High School District 217 / 38,541 |
| 163. | 1.3% | Riley Community Consolidated School District 18 / 3,142 |
| 168. | 1.3% | Reavis Township High School District 220 / 30,936 |
| 168. | 1.3% | Dwight Common School District 232 / 6,181 |
| 170. | 1.3% | Naperville Community Unit District 203 / 102,048 |
| 170. | 1.3% | Darien School District 61 / 15,515 |
| 172. | 1.3% | LaGrange Highlands School District 106 / 8,547 |
| 173. | 1.3% | Big Hollow School District 38 / 10,415 |
| 174. | 1.2% | Midlothian School District 143 / 13,979 |
| 174. | 1.2% | Crab Orchard Community Unit School District 3 / 2,228 |
| 176. | 1.2% | Dwight Township High School District 230 / 6,462 |
| 177. | 1.2% | Taft School District 90 / 4,902 |
| 177. | 1.2% | Forest Park School District 91 / 15,112 |
| 179. | 1.2% | Community Unit School District 200 / 79,138 |
| 179. | 1.2% | Worth School District 127 / 10,356 |
| 179. | 1.2% | Richmond-Burton Community High School District 157 / 12,268 |
| 179. | 1.2% | Nippersink School District 2 / 12,268 |
| 183. | 1.2% | Oak Park Elementary School District 97 / 53,103 |
| 183. | 1.2% | Meredosia-Chambersburg Community Unit School District 11 / 1,773 |
| 183. | 1.2% | Dunlap Community Unit School District 323 / 16,552 |
| 186. | 1.2% | Beach Park Community Consolidated School District 3 / 20,454 |
| 186. | 1.2% | Deerfield School District 109 / 22,670 |
| 186. | 1.2% | Wilmington Community Unit School District 209U / 10,990 |
| 186. | 1.2% | Winnebago Community Unit School District 323 / 9,072 |
| 190. | 1.2% | Plainfield School District 202 / 100,005 |
| 191. | 1.2% | Benjamin School District 25 / 6,460 |
| 191. | 1.2% | Prairie Grove Community School District 46 / 7,861 |
| 191. | 1.2% | Mundelein Elementary School District 75 / 16,973 |
| 191. | 1.2% | Salt Creek School District 48 / 9,406 |
| 195. | 1.2% | Oak Park and River Forest District 200 / 64,226 |
| 196. | 1.1% | Glenbard Township High School District 87 / 161,734 |
| 197. | 1.1% | Libertyville School District 70 / 19,984 |
| 198. | 1.1% | Indian Prairie Community Unit School District 204 / 117,177 |
| 199. | 1.1% | Millburn Community Consolidated School District 24 / 8,866 |
| 199. | 1.1% | New Lenox School District 122 / 35,731 |
| 199. | 1.1% | Greenfield Community Unit School District 10 / 2,804 |
| 202. | 1.1% | Western Springs School District 101 / 10,075 |
| 202. | 1.1% | Arbor Park School District 145 / 13,038 |
| 202. | 1.1% | Oswego Community Unit School District 308 / 55,989 |
| 205. | 1.1% | Woodstock Community Unit School District 200 / 36,015 |
| 205. | 1.1% | Lyons School District 103 / 21,047 |
| 207. | 1.1% | Unity Point Community Consolidated School District 140 / 5,395 |
| 208. | 1.1% | Skokie School District 68 / 21,113 |
| 208. | 1.1% | Lexington Community Unit School District 7 / 3,071 |
| 208. | 1.1% | Queen Bee School District 16 / 17,298 |
| 211. | 1.1% | Grant Community High School District 124 / 31,246 |
| 211. | 1.1% | Cherry School District 92 / 495 |
| 213. | 1.0% | Township High School District 113 / 61,582 |
| 214. | 1.0% | Bensenville School District 2 / 20,544 |
| 215. | 1.0% | Valley View Community Unit School District 365U / 92,443 |
| 216. | 1.0% | Lisle Community Unit School District 202 / 14,078 |
| 216. | 1.0% | Paxton-Buckley-Loda Community Unit School District 10 / 8,567 |
| 218. | 1.0% | Granite City Community Unit School District 9 / 45,755 |
| 219. | 1.0% | Neponset Community Consolidated District 307 / 874 |
| 219. | 1.0% | Oglesby Elementary School District 125 / 4,408 |
| 221. | 1.0% | Minooka Community High School District 111 / 35,045 |
| 221. | 1.0% | Mundelein Consolidated High School District 120 / 39,864 |
| 221. | 1.0% | River Forest School District 90 / 11,123 |
| 221. | 1.0% | Grayslake Community High School District 127 / 44,353 |
| 225. | 1.0% | Forest Ridge School District 142 / 16,287 |
| 226. | 1.0% | North Pekin-Marquette Heights School District 102 / 5,117 |
| 226. | 1.0% | Henry-Senachwine Consolidated Unit School District 5 / 3,905 |
| 226. | 1.0% | Lincoln Elementary School District 156 / 7,763 |
| 226. | 1.0% | Central Community Unit School District 301 / 16,974 |
| 230. | 0.9% | Keeneyville School District 20 / 14,672 |
| 230. | 0.9% | Saratoga Community Consolidated School District 60C / 5,177 |
| 230. | 0.9% | Bradley-Bourbonnais Consolidated High School District 307 / 37,677 |
| 233. | 0.9% | Meridian Community Unit School District 15 / 6,199 |
| 233. | 0.9% | Sandridge School District 172 / 4,190 |
| 235. | 0.9% | Christopher Community Unit School District 99 / 4,877 |
| 235. | 0.9% | Villa Park School District 45 / 35,529 |
| 237. | 0.9% | Berwyn South School District 100 / 29,048 |
| 238. | 0.9% | Ridgeland School District 122 / 20,640 |
| 239. | 0.9% | Aptakisic-Tripp Community Consolidated School District / 18,707 |
| 239. | 0.9% | Northbrook School District 28 / 13,725 |
| 241. | 0.9% | Bloom Township High School District 206 / 65,205 |
| 241. | 0.9% | Lick Creek Community Consolidated School District 16 / 1,030 |
| 241. | 0.9% | Grayslake Consolidated Community School District 46 / 30,783 |
| 244. | 0.9% | Bremen Community High School District 228 / 94,111 |
| 245. | 0.9% | Crystal Lake Community Consolidated School District 47 / 60,711 |
| 246. | 0.9% | Manteno Community Unit School District 5 / 11,567 |
| 246. | 0.9% | Grass Lake School District 36 / 2,737 |
| 248. | 0.8% | Galena Unit School District 120 / 5,525 |
| 248. | 0.8% | O'Fallon Community Consolidated School District 90 / 26,098 |
| 250. | 0.8% | Byron Community Unit School District 226 / 7,851 |
| 250. | 0.8% | Rock Island School District 41 / 44,527 |
| 252. | 0.8% | West Chicago School District 33 / 30,628 |
| 253. | 0.8% | Eastland Community Unit School District 308 / 4,460 |
| 253. | 0.8% | School District U-46 / 220,636 |
| 255. | 0.8% | Millstadt Consolidated Community School District 160 / 8,025 |
| 255. | 0.8% | Maercker School District 60 / 17,459 |
| 255. | 0.8% | East Alton-Wood River Community High School District 14 / 15,142 |
| 255. | 0.8% | Edwardsville Community Unit School District 7 / 49,060 |
| 259. | 0.8% | Joliet Township High School District 204 / 141,507 |
| 259. | 0.8% | Community Consolidated School District 93 / 34,011 |
| 261. | 0.8% | Community High School District 94 / 41,726 |
| 261. | 0.8% | Rochelle Community Consolidated District 231 / 13,617 |
| 261. | 0.8% | DeKalb Community Unit School District 428 / 52,712 |
| 261. | 0.8% | Triad Community Unit School District 2 / 19,194 |
| 261. | 0.8% | Community Unit School District 300 / 113,766 |
| 261. | 0.8% | Homewood School District 153 / 15,581 |
| 267. | 0.8% | North Shore School District 112 / 36,884 |
| 267. | 0.8% | Effingham Community Unit School District 40 / 20,775 |
| 267. | 0.8% | Beecher Community Unit School District 200U / 5,431 |
| 270. | 0.8% | Orion Community Unit School District 223 / 5,776 |
| 270. | 0.8% | La Moille Community Unit School District 303 / 2,123 |
| 272. | 0.7% | Pontiac-William Holliday School District 105 / 7,533 |
| 272. | 0.7% | Prairie-Hills Elementary School District 144 / 21,545 |
| 274. | 0.7% | Dakota Community Unit School District 201 / 4,354 |
| 274. | 0.7% | Channahon School District 17 / 13,609 |
| 274. | 0.7% | Chicago Public School District 299 / 2,824,076 |
| 274. | 0.7% | Richland School District 88A / 10,594 |
| 278. | 0.7% | Pleasant Hill School District 69 / 2,146 |
| 278. | 0.7% | Harmony Emge School District 175 / 9,592 |
| 278. | 0.7% | Genoa-Kingston Community Unit School District 424 / 8,651 |
| 278. | 0.7% | Wayne City Community Unit School District 100 / 2,900 |
| 278. | 0.7% | Erie Community Unit School District 1 / 4,091 |
| 283. | 0.7% | Rochelle Township High School District 212 / 17,645 |
| 283. | 0.7% | Nettle Creek Community Consolidated School District 24C / 892 |
| 283. | 0.7% | Moline Unit School District 40 / 48,111 |
| 286. | 0.7% | Zion-Benton Township High School District 126 / 45,405 |
| 286. | 0.7% | Salem School District 111 / 8,738 |
| 286. | 0.7% | Indian Creek Community Unit District 425 / 4,778 |
| 286. | 0.7% | Champaign Community Unit School District 4 / 89,676 |
| 286. | 0.7% | Peru Elementary School District 124 / 9,971 |
| 291. | 0.7% | Pana Community Unit School District 8 / 9,356 |
| 291. | 0.7% | Proviso Township High School District 209 / 123,355 |
| 293. | 0.7% | Mount Olive Community Unit School District 5 / 3,375 |
| 293. | 0.7% | Somonauk Community Unit School District 432 / 4,727 |
| 295. | 0.7% | Lansing School District 158 / 21,795 |
| 295. | 0.7% | V.I.T. Community Unit School District 2 / 2,274 |
| 295. | 0.7% | Streator Elementary School District 44 / 16,813 |
| 298. | 0.7% | Lake Bluff Elementary School District 65 / 8,927 |
| 299. | 0.7% | Westville Community Unit School District 2 / 7,087 |
| 299. | 0.7% | Mount Zion Community Unit School District 3 / 11,674 |
| 299. | 0.7% | Mahomet-Seymour Community Unit School District 3 / 12,626 |
| 302. | 0.6% | Yorkville Community Unit School District 115 / 22,716 |
| 303. | 0.6% | Lawrence County Community Unit District 20 / 8,750 |
| 303. | 0.6% | Lena-Winslow Community Unit School District 202 / 5,026 |
| 303. | 0.6% | Decatur School District 61 / 70,831 |
| 306. | 0.6% | Sunnybrook School District 171 / 10,267 |
| 306. | 0.6% | Putnam County Community Unit School District 535 / 5,431 |
| 306. | 0.6% | Streator Township High School District 40 / 18,419 |
| 309. | 0.6% | Spring Valley Community Consolidated School District 99 / 5,829 |
| 309. | 0.6% | Mascoutah Community Unit School District 19 / 15,542 |
| 311. | 0.6% | Joliet Public School District 86 / 98,824 |
| 311. | 0.6% | Wheeling Community Consolidated School District 21 / 64,762 |
| 311. | 0.6% | River Bend Community Unit District 2 / 6,710 |
| 311. | 0.6% | St. Joseph Community Consolidated School District 169 / 5,886 |
| 315. | 0.6% | Batavia Unit School District 101 / 31,942 |
| 315. | 0.6% | Huntley Consolidated School District 158 / 36,341 |
| 315. | 0.6% | Community Consolidated School District 180 / 6,618 |
| 318. | 0.6% | Aurora West Unit School District 129 / 78,322 |
| 318. | 0.6% | Morris Community High School District 101 / 18,602 |
| 318. | 0.6% | Marengo Community High School District 154 / 14,331 |
| 321. | 0.6% | Belvidere Consolidated Unit School District 100 / 42,743 |
| 321. | 0.6% | Aurora East Unit School District 131 / 71,917 |
| 321. | 0.6% | Bethalto Consolidated Unit School District 8 / 15,745 |
| 324. | 0.5% | United Township High School District 30 / 39,811 |
| 324. | 0.5% | McLean County Unit School District 5 / 89,230 |
| 324. | 0.5% | Glencoe School District 35 / 8,771 |
| 324. | 0.5% | Homewood-Flossmoor Community High School District 233 / 36,480 |
| 328. | 0.5% | Diamond Lake School District 76 / 8,500 |
| 328. | 0.5% | Berwyn North School District 98 / 21,005 |
| 328. | 0.5% | Grand Prairie Community Consolidated School District 6 / 941 |
| 328. | 0.5% | ROWVA Community Unit School District 208 / 4,130 |
| 332. | 0.5% | West Lincoln-Broadwell Elementary School District 92 / 5,094 |
| 333. | 0.5% | Riverton Community Unit School District 14 / 8,083 |
| 333. | 0.5% | Thornton Fractional Township High School District 215 / 58,072 |
| 333. | 0.5% | Tuscola Community Unit School District 301 / 5,937 |
| 333. | 0.5% | Roxana Community Unit School District 1 / 12,019 |
| 333. | 0.5% | Belleville School District 118 / 35,678 |
| 338. | 0.5% | Illinois Valley Central Unit School District 321 / 11,870 |
| 338. | 0.5% | Carbondale Community High School District 165 / 36,740 |
| 338. | 0.5% | Peoria Heights Community Unit School District 325 / 7,095 |
| 338. | 0.5% | Ball-Chatham Community Unit School District 5 / 24,641 |
| 338. | 0.5% | Monmouth-Roseville Community Unit School District 238 / 10,619 |
| 338. | 0.5% | Gillespie Community Unit School District 7 / 7,982 |
| 344. | 0.5% | Marquardt School District 15 / 24,872 |
| 344. | 0.5% | Sandwich Community Unit School District 430 / 14,659 |
| 344. | 0.5% | Sherrard Community Unit School District 200 / 9,235 |
| 344. | 0.5% | Argenta-Oreana Community Unit School District 1 / 4,686 |
| 344. | 0.5% | Brown County Community Unit School District 1 / 6,592 |
| 349. | 0.5% | Alton Community Unit School District 11 / 49,395 |
| 349. | 0.5% | Valmeyer Community Unit School District 3 / 2,642 |
| 349. | 0.5% | Limestone Community High School District 310 / 21,447 |
| 352. | 0.5% | Highland Community Unit School District 5 / 17,129 |
| 352. | 0.5% | Country Club Hills School District 160 / 12,568 |
| 352. | 0.5% | Waltham Community Consolidated School District 185 / 2,393 |
| 355. | 0.5% | East Moline School District 37 / 26,810 |
| 355. | 0.5% | LaSalle-Peru Township High School District 120 / 28,535 |
| 355. | 0.5% | South Fork School District 14 / 2,447 |
| 355. | 0.5% | Heyworth Community Unit School District 4 / 4,649 |
| 355. | 0.5% | Dixon Unit School District 170 / 21,710 |
| 355. | 0.5% | McHenry Community Consolidated School District 15 / 42,838 |
| 355. | 0.5% | Canton Union School District 66 / 17,414 |
| 355. | 0.5% | Ottawa Elementary School District 141 / 20,411 |
| 363. | 0.5% | Herscher Community Unit School District 2 / 10,597 |
| 363. | 0.5% | Dallas Elementary School District 327 / 2,111 |
| 363. | 0.5% | Galva Community Unit School District 224 / 3,689 |
| 363. | 0.5% | North Chicago School District 187 / 31,499 |
| 367. | 0.4% | Prairie Central Community Unit School District 8 / 11,148 |
| 367. | 0.4% | Hall High School District 502 / 9,021 |
| 367. | 0.4% | Grant Community Consolidated School District 110 / 7,532 |
| 367. | 0.4% | Carbondale Elementary School District 95 / 27,322 |
| 367. | 0.4% | Morris School District 54 / 12,836 |
| 372. | 0.4% | McHenry Community High School District 156 / 45,771 |
| 372. | 0.4% | River Ridge Community Unit School District 210 / 4,043 |
| 372. | 0.4% | Carlinville Community Unit School District 1 / 9,264 |
| 372. | 0.4% | Goreville Community Unit School District 1 / 3,419 |
| 376. | 0.4% | Urbana School District 116 / 48,785 |
| 376. | 0.4% | Summersville School District 79 / 2,104 |
| 376. | 0.4% | Summit School District 104 / 11,456 |
| 376. | 0.4% | Colona School District 190 / 3,761 |
| 380. | 0.4% | Hoover-Schrum Memorial School District 157 / 7,416 |
| 380. | 0.4% | Silvis School District 34 / 5,245 |
| 380. | 0.4% | St. Joseph-Ogden Community High School District 305 / 7,990 |
| 380. | 0.4% | Salem Community High School District 600 / 14,662 |
| 380. | 0.4% | Johnsburg Community Unit School District 12 / 13,505 |
| 380. | 0.4% | Belleville Township High School District 201 / 100,903 |
| 386. | 0.4% | Scales Mound Community Unit School District 211 / 1,621 |
| 386. | 0.4% | Creve Coeur School District 76 / 5,617 |
| 386. | 0.4% | Ina Community Consolidated School District 8 / 3,239 |
| 386. | 0.4% | Woodland Community Unit School District 5 / 3,132 |
| 386. | 0.4% | Central City School District 133 / 2,210 |
| 391. | 0.4% | Macomb Community Unit School District 185 / 22,802 |
| 391. | 0.4% | Ottawa Township High School District 140 / 31,749 |
| 391. | 0.4% | Kankakee School District 111 / 32,737 |
| 394. | 0.4% | Riverdale Community Unit School District 100 / 6,733 |
| 394. | 0.4% | Avon Community Unit School District 176 / 1,914 |
| 394. | 0.4% | Fairmont School District 89 / 3,120 |
| 394. | 0.4% | Riverview Consolidated Community School District 2 / 2,603 |
| 394. | 0.4% | J. Sterling Morton High School District 201 / 147,548 |
| 399. | 0.4% | Flossmoor School District 161 / 20,487 |
| 399. | 0.4% | Springfield School District 186 / 116,026 |
| 401. | 0.4% | Du Quoin Community Unit School District 300 / 9,616 |
| 401. | 0.4% | Tri-City Community Unit School District 1 / 3,051 |
| 401. | 0.4% | East Peoria Community High School District 309 / 25,502 |
| 401. | 0.4% | Grayville Community Unit School District 1 / 2,249 |
| 401. | 0.4% | Iroquois County Community Unit School District 9 / 7,178 |
| 401. | 0.4% | Rochester Community Unit School District 3A / 9,666 |
| 407. | 0.4% | Nashville Consolidated Community School District 49 / 5,145 |
| 407. | 0.4% | Warrensburg-Latham Community Unit District 11 / 7,270 |
| 407. | 0.4% | Marengo-Union Elementary Consolidated District 165 / 11,189 |
| 407. | 0.4% | Galesburg Community Unit School District 205 / 34,412 |
| 407. | 0.4% | East Peoria School District 86 / 18,221 |
| 407. | 0.4% | Eldorado Community Unit School District 4 / 7,466 |
| 407. | 0.4% | Cowden-Herrick Community Unit School District 3A / 2,282 |
| 407. | 0.4% | Round Lake Community Unit School District 116 / 39,118 |
| 415. | 0.3% | Monroe School District 70 / 2,637 |
| 415. | 0.3% | Morton Community Unit School District 709 / 18,644 |
| 415. | 0.3% | Waukegan Community Unit School District 60 / 86,907 |
| 415. | 0.3% | Rockton School District 140 / 10,001 |
| 419. | 0.3% | Plano Community Unit School District 88 / 10,371 |
| 419. | 0.3% | Winthrop Harbor School District 1 / 6,905 |
| 421. | 0.3% | Tolono Community Unit School District 7 / 8,976 |
| 421. | 0.3% | Oregon Community Unit School District 220 / 11,429 |
| 421. | 0.3% | Schuyler-Industry Community Unit School District 5 / 7,309 |
| 421. | 0.3% | Alwood Community Unit School District 225 / 2,212 |
| 421. | 0.3% | Illini Bluffs Community Unit School District 327 / 5,468 |
| 421. | 0.3% | Elmwood Community Unit School District 322 / 3,595 |
| 427. | 0.3% | Cissna Park Community Unit School District 6 / 1,791 |
| 427. | 0.3% | West Carroll Community Unit School District 314 / 9,144 |
| 429. | 0.3% | Lockport School District 91 / 8,520 |
| 429. | 0.3% | Gavin School District 37 / 6,456 |
| 429. | 0.3% | Maroa-Forsyth Community Unit School District 2 / 6,137 |
| 429. | 0.3% | Camp Point Community Unit School District 3 / 5,012 |
| 429. | 0.3% | Braceville School District 75 / 1,462 |
| 429. | 0.3% | Manhattan School District 114 / 9,731 |
| 429. | 0.3% | Chicago Heights School District 170 / 25,323 |
| 429. | 0.3% | Paris-Union School District 95 / 8,648 |
| 437. | 0.3% | Tri-Valley Community Unit School District 3 / 4,331 |
| 437. | 0.3% | Rockford School District 205 / 197,697 |
| 437. | 0.3% | Central School District 104 / 3,903 |
| 437. | 0.3% | West Washington County Community Unit District 10 / 4,077 |
| 437. | 0.3% | Rankin Community School District 98 / 3,816 |
| 437. | 0.3% | Shiloh Community Unit School District 1 / 3,065 |
| 437. | 0.3% | Polo Community Unit School District 222 / 4,315 |
| 444. | 0.3% | Center Cass School District 66 / 11,134 |
| 444. | 0.3% | Southwestern Community Unit School District 9 / 9,899 |
| 444. | 0.3% | Komarek School District 94 / 4,780 |
| 444. | 0.3% | Mannheim School District 83 / 21,032 |
| 444. | 0.3% | Webber Township High School District 204 / 3,267 |
| 449. | 0.3% | Zion Elementary School District 6 / 18,093 |
| 449. | 0.3% | Thomasboro Community Consolidated School District 130 / 2,214 |
| 449. | 0.3% | Robein School District 85 / 2,044 |
| 449. | 0.3% | Porta Community Unit School District 202 / 6,925 |
| 453. | 0.3% | Bureau Valley Community Unit School District 340 / 6,985 |
| 453. | 0.3% | Leland Community Unit School District 1 / 1,708 |
| 453. | 0.3% | Charleston Community Unit School District 1 / 27,796 |
| 456. | 0.3% | Teutopolis Community Unit School District 50 / 5,035 |
| 456. | 0.3% | Mendota Community Consolidated School District 289 / 10,404 |
| 456. | 0.3% | Bradley School District 61 / 11,682 |
| 456. | 0.3% | Mendota Township High School District 280 / 10,414 |
| 456. | 0.3% | St. George Community Consolidated School District 258 / 2,880 |
| 456. | 0.3% | Saunemin Community Consolidated School District 438 / 929 |
| 456. | 0.3% | Quincy School District 172 / 50,733 |
| 463. | 0.2% | Blue Ridge Community Unit School District 18 / 5,565 |
| 463. | 0.2% | Carlyle Community Unit School District 1 / 10,137 |
| 463. | 0.2% | Heritage Community Unit School District 8 / 2,902 |
| 463. | 0.2% | Rock Falls Elementary School District 13 / 8,033 |
| 463. | 0.2% | Farmington Central Community Unit School District 265 / 7,794 |
| 468. | 0.2% | Meridian Community Unit School District 223 / 8,879 |
| 468. | 0.2% | Community Unit School District 2 / 6,078 |
| 468. | 0.2% | Hononegah Community High School District 207 / 27,443 |
| 471. | 0.2% | Murphysboro Community Unit School District 186 / 14,884 |
| 471. | 0.2% | Name N/A / 1,639 |
| 471. | 0.2% | Oakwood Community Unit School District 76 / 6,133 |
| 471. | 0.2% | Franklin Park School District 84 / 10,543 |
| 471. | 0.2% | Peoria School District 150 / 106,668 |
| 471. | 0.2% | Germantown Hills School District 69 / 6,234 |
| 471. | 0.2% | Harrisburg Community Unit School District 3 / 13,347 |
| 471. | 0.2% | Warren Community Unit School District 205 / 2,575 |
| 471. | 0.2% | Rich Township High School District 227 / 64,486 |
| 471. | 0.2% | Odell Community Consolidated School District 435 / 1,529 |
| 471. | 0.2% | Montmorency Community Consolidated School District 145 / 2,498 |
| 482. | 0.2% | LaGrange School District 105 / 11,636 |
| 482. | 0.2% | Gardner-South Wilmington Township High School District / 3,994 |
| 482. | 0.2% | Pekin Community High School District 303 / 44,837 |
| 482. | 0.2% | Olympia Community Unit School District 16 / 12,530 |
| 482. | 0.2% | Midland Community Unit School District 7 / 5,363 |
| 482. | 0.2% | South Holland School District 150 / 9,685 |
| 482. | 0.2% | Trico Community Unit School District 176 / 6,587 |
| 482. | 0.2% | Belle Valley School District 119 / 8,087 |
| 482. | 0.2% | Nashville Community High School District 99 / 8,953 |
| 482. | 0.2% | Bushnell-Prairie City Community Unit School District 170 / 4,482 |
| 482. | 0.2% | Waterloo Community Unit School District 5 / 17,648 |
| 482. | 0.2% | Matteson Elementary School District 162 / 23,227 |
| 482. | 0.2% | Limestone Walters Community Consolidated School District 316 / 1,585 |
| 482. | 0.2% | Gardner Community Consolidated School District 72C / 1,681 |
| 482. | 0.2% | Sterling Community Unit District 5 / 21,731 |
| 497. | 0.2% | Brookwood School District 167 / 9,977 |
| 497. | 0.2% | Willow Grove School District 46 / 2,239 |
| 497. | 0.2% | Collinsville Community Unit School District 10 / 45,867 |
| 497. | 0.2% | Crete-Monee Community Unit School District 201-U / 36,316 |
| 501. | 0.2% | Kinnikinnick Community Consolidated School District 131 / 12,043 |
| 501. | 0.2% | Iroquois West Community Unit School District 10 / 6,370 |
| 501. | 0.2% | Williamsfield Community Unit School District 210 / 1,882 |
| 501. | 0.2% | Norwood Elementary School District 63 / 4,543 |
| 501. | 0.2% | Western Community Unit School District 12 / 4,041 |
| 501. | 0.2% | Martinsville Community Unit School District 3C / 2,372 |
| 501. | 0.2% | Elwood Community Consolidated School District 203 / 4,124 |
| 501. | 0.2% | Geneseo Community Unit School District 228 / 15,997 |
| 501. | 0.2% | Midwest Central Community Unit School District 191 / 6,867 |
| 501. | 0.2% | Lee Center Community Unit School District 271 / 1,778 |
| 511. | 0.2% | Rhodes School District 84-5 / 4,735 |
| 511. | 0.2% | Beardstown Community Unit School District 15 / 7,573 |
| 511. | 0.2% | Catlin Community Unit School District 5 / 2,744 |
| 511. | 0.2% | Reed Custer Community Unit School District 255U / 10,368 |
| 511. | 0.2% | Massac Unit School District 1 / 13,392 |
| 511. | 0.2% | Community Unit School District 4 / 4,115 |
| 517. | 0.2% | Knoxville Community Unit School District 202 / 5,883 |
| 517. | 0.2% | United Community School District 304 / 6,855 |
| 517. | 0.2% | Rock Falls Township High School District 301 / 14,692 |
| 517. | 0.2% | Lincoln Community High School District 404 / 21,970 |
| 517. | 0.2% | Sandoval Community Unit School District 501 / 2,891 |
| 517. | 0.2% | Atwood Heights School District 125 / 7,231 |
| 517. | 0.2% | Freeport School District 145 / 29,832 |
| 517. | 0.2% | Monticello Community Unit School District 25 / 8,588 |
| 517. | 0.2% | Laraway Community Consolidated School District 70C / 3,367 |
| 526. | 0.2% | Metamora Township High School District 122 / 15,154 |
| 526. | 0.2% | Orangeville Community Unit School District 203 / 2,751 |
| 526. | 0.2% | Prairie Hill Community Consolidated School District 133 / 3,506 |
| 526. | 0.2% | Coal City Community Unit School District 1 / 10,885 |
| 526. | 0.2% | Momence Community Unit School District 1 / 7,531 |
| 531. | 0.2% | Park Forest School District 163 / 16,095 |
| 531. | 0.2% | Arthur Community Unit School District 305 / 5,131 |
| 531. | 0.2% | Brimfield Community Unit School District 309 / 3,052 |
| 531. | 0.2% | Pontiac Township High School District 90 / 15,907 |
| 531. | 0.2% | Centralia High School District 200 / 22,033 |
| 531. | 0.2% | Hamilton Community Consolidated School District 328 / 3,693 |
| 537. | 0.1% | North Greene Unit School District 3 / 6,369 |
| 537. | 0.1% | East Richland Community Unit School District 1 / 13,566 |
| 537. | 0.1% | Kewanee Community Unit School District 229 / 9,997 |
| 537. | 0.1% | Harlem Unit School District 122 / 46,508 |
| 541. | 0.1% | Pontiac Community Consolidated School District 429 / 13,213 |
| 541. | 0.1% | Jacksonville School District 117 / 28,917 |
| 541. | 0.1% | Hillsboro Community Unit School District 3 / 12,979 |
| 541. | 0.1% | St. Anne Consolidated Community School District 256 / 2,882 |
| 541. | 0.1% | Bloomington School District 87 / 43,115 |
| 546. | 0.1% | Bond County Community Unit School District 2 / 14,175 |
| 546. | 0.1% | Berkeley School District 87 / 20,746 |
| 546. | 0.1% | Ashton Community Unit School District 275 / 4,641 |
| 546. | 0.1% | Danville Community Consolidated School District 118 / 40,017 |
| 550. | 0.1% | Williamsville Community Unit School District 15 / 6,461 |
| 550. | 0.1% | Pekin Public School District108 / 32,911 |
| 550. | 0.1% | Dolton School District 149 / 28,452 |
| 550. | 0.1% | West Harvey-Dixmoor Public School District 147 / 12,046 |
| 550. | 0.1% | Harvard Community Unit School District 50 / 14,503 |
| 550. | 0.1% | Centralia School District 135 / 13,934 |
| 550. | 0.1% | Lincoln Elementary School District 27 / 12,155 |
| 550. | 0.1% | West Prairie Community Unit School District 103 / 4,736 |
| 558. | 0.1% | Freeburg Community High School District 77 / 12,110 |
| 558. | 0.1% | Illini West High School District 307 / 8,563 |
| 558. | 0.1% | Wabash Community Unit School District 348 / 10,990 |
| 558. | 0.1% | Thornton Township High School District 205 / 118,770 |
| 562. | 0.1% | Zeigler-Royalton Community Unit School District 188 / 3,939 |
| 562. | 0.1% | Roanoke-Benson Community Unit School District 60 / 3,387 |
| 562. | 0.1% | Bement Community Unit School District 5 / 2,806 |
| 562. | 0.1% | Anna Jonesboro Community High School District 81 / 11,442 |
| 562. | 0.1% | Seneca Township High School District 160 / 7,399 |
| 567. | 0.1% | DeLand-Weldon Community Unit School District 57 / 1,427 |
| 567. | 0.1% | Princeville Community Unit School District 326 / 4,420 |
| 567. | 0.1% | Scott-Morgan Consolidated Unit School District 2 / 1,501 |
| 567. | 0.1% | Maywood-Melrose Park-Broadview School District 89 / 42,778 |
| 567. | 0.1% | Taylorville Community Unit School District 3 / 18,423 |
| 572. | 0.1% | Jersey Community Unit School District 100 / 19,823 |
| 572. | 0.1% | Community Unit School District 16 / 4,974 |
| 572. | 0.1% | Carterville Community Unit School District 5 / 10,883 |
| 572. | 0.1% | St. Anne Community High School District 302 / 5,443 |
| 572. | 0.1% | El Paso-Gridley Community Unit School District 11 / 6,903 |
| 572. | 0.1% | Mount Vernon Township High School District 201 / 30,897 |
| 572. | 0.1% | Cahokia Community Unit School District 187 / 20,194 |
| 579. | 0.1% | Marion Community Unit School District 2 / 26,958 |
| 579. | 0.1% | Cicero School District 99 / 80,550 |
| 579. | 0.1% | Paris Community Unit School District 4 / 4,339 |
| 579. | 0.1% | Staunton Community Unit School District 6 / 7,934 |
| 579. | 0.1% | Elementary School District 159 / 17,247 |
| 584. | 0.1% | Mattoon Community Unit School District 2 / 22,115 |
| 584. | 0.1% | Hinckley-Big Rock Community Unit School District 429 / 5,933 |
| 586. | 0.0% | Rantoul Township High School District 193 / 17,182 |
| 586. | 0.0% | North Boone Community Unit School District 200 / 9,455 |
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.
*ACS stands for U.S. Census American Community Survey. According to the U.S. Census, if the date is a range, you can interpret the data as an average of the period of time.
