| Rank | Czech as First Ancestry Population Percentage ▼ | School District / Population |
| 1. | 21.2% | Kewaunee School District / 6,889 |
| 2. | 19.5% | Mishicot School District / 5,971 |
| 3. | 15.6% | Hillsboro School District / 4,328 |
| 4. | 14.0% | Wauzeka-Steuben School District / 1,585 |
| 5. | 13.1% | Denmark School District / 8,500 |
| 6. | 12.3% | Phillips School District / 5,899 |
| 7. | 12.1% | Highland School District / 1,564 |
| 8. | 11.7% | Reedsville School District / 4,692 |
| 9. | 10.4% | Two Rivers School District / 13,011 |
| 10. | 10.0% | Luxemburg-Casco School District / 10,957 |
| 11. | 9.9% | Seneca School District / 1,618 |
| 12. | 9.5% | Algoma School District / 5,297 |
| 13. | 8.9% | Rice Lake Area School District / 16,053 |
| 14. | 8.4% | Prairie du Chien Area School District / 8,493 |
| 15. | 7.9% | Manitowoc School District / 38,734 |
| 16. | 7.6% | Riverdale School District / 4,998 |
| 17. | 7.2% | Birchwood School District / 2,122 |
| 18. | 7.2% | Iowa-Grant School District / 4,543 |
| 19. | 7.0% | Antigo School District / 17,801 |
| 20. | 6.6% | Bloomer School District / 7,337 |
| 21. | 6.3% | Cadott Community School District / 5,058 |
| 22. | 6.2% | Trevor-Wilmot Consolidated School District / 3,586 |
| 23. | 6.0% | Erin School District / 2,564 |
| 24. | 5.6% | La Farge School District / 1,895 |
| 25. | 5.6% | Ithaca School District / 1,620 |
| 26. | 5.5% | Cashton School District / 3,579 |
| 27. | 5.5% | Weston School District / 2,401 |
| 28. | 5.3% | Wonewoc-Union Center School District / 3,370 |
| 29. | 5.2% | Valders Area School District / 6,970 |
| 30. | 5.1% | Wausaukee School District / 4,075 |
| 30. | 5.1% | Lena School District / 2,588 |
| 32. | 5.0% | Phelps School District / 1,285 |
| 33. | 4.9% | Richland School District / 11,095 |
| 34. | 4.8% | Flambeau School District / 4,318 |
| 35. | 4.7% | North Crawford School District / 3,141 |
| 36. | 4.4% | Coleman School District / 4,951 |
| 37. | 4.1% | River Ridge School District / 3,807 |
| 38. | 4.1% | Fennimore Community School District / 4,720 |
| 39. | 4.0% | Rib Lake School District / 2,704 |
| 40. | 4.0% | Prescott School District / 7,902 |
| 41. | 4.0% | Genoa City Joint No. 2 School District / 5,453 |
| 42. | 3.8% | Cornell School District / 2,795 |
| 43. | 3.8% | Lodi School District / 9,645 |
| 44. | 3.8% | Name N/A / 8,345 |
| 45. | 3.7% | Royall School District / 4,020 |
| 46. | 3.6% | New Lisbon School District / 5,231 |
| 47. | 3.6% | Norwalk-Ontario-Wilton School District / 4,425 |
| 48. | 3.5% | Gilman School District / 3,025 |
| 49. | 3.4% | Mosinee School District / 11,575 |
| 50. | 3.4% | Eleva-Strum School District / 3,668 |
| 51. | 3.4% | Brillion School District / 5,576 |
| 51. | 3.4% | River Falls School District / 22,810 |
| 51. | 3.4% | Prentice School District / 3,034 |
| 54. | 3.4% | Oconto Falls School District / 10,837 |
| 54. | 3.4% | Altoona School District / 9,149 |
| 56. | 3.3% | Mercer School District / 1,354 |
| 57. | 3.3% | Mellen School District / 1,913 |
| 58. | 3.3% | Bruce School District / 3,675 |
| 59. | 3.2% | Chequamegon School District / 6,563 |
| 60. | 3.2% | Ladysmith-Hawkins School District / 5,256 |
| 60. | 3.2% | Brighton No. 1 School District / 1,150 |
| 62. | 3.2% | Viroqua Area School District / 8,605 |
| 63. | 3.2% | Kickapoo Area School District / 3,162 |
| 63. | 3.2% | Boscobel Area School District / 5,662 |
| 65. | 3.1% | Sturgeon Bay School District / 8,317 |
| 66. | 3.1% | Shell Lake School District / 3,581 |
| 66. | 3.1% | Cumberland School District / 5,692 |
| 68. | 3.1% | Adams-Friendship Area School District / 14,373 |
| 68. | 3.1% | Clayton School District / 2,071 |
| 70. | 3.0% | Lake Holcombe School District / 2,374 |
| 71. | 3.0% | Deerfield Community School District / 4,227 |
| 72. | 3.0% | Abbotsford School District / 3,735 |
| 72. | 3.0% | Marinette School District / 15,256 |
| 74. | 3.0% | Barron Area School District / 8,722 |
| 75. | 2.9% | Cambridge School District / 5,786 |
| 76. | 2.9% | Washburn School District / 3,836 |
| 77. | 2.9% | Dover No. 1 School District / 1,821 |
| 78. | 2.9% | Wisconsin Dells School District / 11,762 |
| 79. | 2.9% | Gillett School District / 3,877 |
| 79. | 2.9% | Nekoosa School District / 8,698 |
| 79. | 2.9% | Elcho School District / 3,145 |
| 82. | 2.9% | Ashwaubenon School District / 16,070 |
| 83. | 2.9% | Luck School District / 3,501 |
| 84. | 2.8% | Howard-Suamico School District / 29,717 |
| 84. | 2.8% | Northland Pines School District / 11,239 |
| 86. | 2.8% | Northwood School District / 2,909 |
| 87. | 2.8% | St. Croix Central School District / 7,585 |
| 88. | 2.7% | Spooner Area School District / 10,344 |
| 89. | 2.7% | Chippewa Falls Area School District / 33,735 |
| 89. | 2.7% | De Pere Unified School District / 21,636 |
| 91. | 2.7% | North Lake School District / 2,814 |
| 91. | 2.7% | Thorp School District / 4,434 |
| 93. | 2.7% | Auburndale School District / 4,651 |
| 93. | 2.7% | Medford Area School District / 14,425 |
| 95. | 2.6% | Mauston School District / 9,862 |
| 96. | 2.6% | Butternut School District / 1,282 |
| 96. | 2.6% | St. Croix Falls School District / 6,783 |
| 98. | 2.6% | Pepin Area School District / 1,963 |
| 99. | 2.5% | La Crosse School District / 63,606 |
| 100. | 2.5% | Stanley-Boyd Area School District / 7,760 |
| 101. | 2.5% | Green Bay Area School District / 137,011 |
| 102. | 2.5% | Pittsville School District / 4,042 |
| 103. | 2.5% | Melrose-Mindoro School District / 4,359 |
| 104. | 2.4% | Stratford School District / 5,380 |
| 105. | 2.4% | Williams Bay School District / 3,518 |
| 106. | 2.4% | Little Chute Area School District / 8,423 |
| 106. | 2.4% | Beecher-Dunbar-Pembine School District / 2,555 |
| 108. | 2.4% | Fontana Joint No. 8 School District / 2,363 |
| 108. | 2.4% | Colfax School District / 4,639 |
| 110. | 2.4% | Spring Valley School District / 4,398 |
| 111. | 2.4% | Elk Mound Area School District / 4,900 |
| 112. | 2.4% | Grafton School District / 14,235 |
| 113. | 2.4% | Raymond No. 14 School District / 3,274 |
| 113. | 2.4% | Greenfield School District / 29,398 |
| 115. | 2.3% | Onalaska School District / 17,696 |
| 115. | 2.3% | Southern Door County School District / 7,913 |
| 117. | 2.3% | Stone Bank School District / 2,774 |
| 118. | 2.3% | Sevastopol School District / 5,120 |
| 118. | 2.3% | Kettle Moraine School District / 24,656 |
| 118. | 2.3% | Lancaster Community School District / 6,028 |
| 118. | 2.3% | Neenah School District / 44,156 |
| 118. | 2.3% | Marion School District / 3,950 |
| 123. | 2.3% | Cudahy School District / 18,321 |
| 123. | 2.3% | Sauk Prairie School District / 16,021 |
| 125. | 2.3% | De Soto Area School District / 4,209 |
| 125. | 2.3% | White Lake School District / 1,431 |
| 127. | 2.3% | Oregon School District / 20,141 |
| 127. | 2.3% | Burlington Area School District / 23,139 |
| 129. | 2.2% | Kiel Area School District / 8,805 |
| 129. | 2.2% | Stockbridge School District / 1,817 |
| 131. | 2.2% | Laona School District / 1,317 |
| 132. | 2.2% | Platteville School District / 15,055 |
| 132. | 2.2% | Milton School District / 19,123 |
| 134. | 2.2% | Cameron School District / 4,973 |
| 134. | 2.2% | Waterford Joint No. 1 School District / 13,724 |
| 136. | 2.2% | Greendale School District / 14,208 |
| 136. | 2.2% | Marshfield School District / 27,462 |
| 136. | 2.2% | Dodgeville School District / 8,188 |
| 139. | 2.2% | Mukwonago School District / 29,112 |
| 139. | 2.2% | Crivitz School District / 5,945 |
| 141. | 2.2% | North Lakeland School District / 2,617 |
| 142. | 2.1% | Crandon School District / 5,831 |
| 142. | 2.1% | Webster School District / 5,650 |
| 144. | 2.1% | South Shore School District / 1,630 |
| 145. | 2.1% | West De Pere School District / 21,072 |
| 145. | 2.1% | Westby Area School District / 7,902 |
| 147. | 2.1% | Hamilton School District / 25,784 |
| 148. | 2.0% | Waterford Union High School District / 18,481 |
| 148. | 2.0% | Cedarburg School District / 19,793 |
| 150. | 2.0% | Minocqua Joint No. 1 School District / 6,684 |
| 150. | 2.0% | Hudson School District / 30,864 |
| 150. | 2.0% | Edgar School District / 3,713 |
| 153. | 2.0% | Suring School District / 4,052 |
| 154. | 2.0% | Alma Center School District / 3,097 |
| 155. | 2.0% | Siren School District / 2,885 |
| 155. | 2.0% | Wabeno Area School District / 3,669 |
| 157. | 2.0% | Pulaski Community School District / 19,880 |
| 158. | 2.0% | Mount Horeb Area School District / 12,578 |
| 159. | 2.0% | Drummond Area School District / 4,565 |
| 159. | 2.0% | Necedah Area School District / 4,803 |
| 161. | 2.0% | Wilmot Union High School District / 18,848 |
| 162. | 2.0% | Amery School District / 9,808 |
| 163. | 1.9% | Black River Falls School District / 12,464 |
| 164. | 1.9% | Waunakee Community School District / 18,546 |
| 165. | 1.9% | River Valley School District / 9,430 |
| 165. | 1.9% | Silver Lake Joint No. 1 School District / 4,145 |
| 165. | 1.9% | Shawano School District / 17,293 |
| 168. | 1.9% | Wisconsin Rapids School District / 34,912 |
| 168. | 1.9% | Bonduel School District / 6,393 |
| 168. | 1.9% | Washington-Caldwell School District / 2,060 |
| 171. | 1.9% | McFarland School District / 10,523 |
| 172. | 1.9% | Prairie Farm School District / 1,808 |
| 172. | 1.9% | West Salem School District / 9,879 |
| 172. | 1.9% | South Milwaukee School District / 21,210 |
| 175. | 1.9% | Lake Geneva-Genoa City Union High School District / 24,342 |
| 176. | 1.9% | Richmond School District / 3,255 |
| 176. | 1.9% | Potosi School District / 2,344 |
| 176. | 1.9% | Elmwood School District / 2,162 |
| 179. | 1.9% | Pewaukee School District / 17,369 |
| 179. | 1.9% | Poynette School District / 6,358 |
| 179. | 1.9% | Unity School District / 7,384 |
| 182. | 1.8% | Eau Claire Area School District / 82,084 |
| 182. | 1.8% | Rio Community School District / 2,978 |
| 182. | 1.8% | Ellsworth Community School District / 10,828 |
| 182. | 1.8% | Montello School District / 6,151 |
| 182. | 1.8% | Wheatland Joint No. 1 School District / 4,408 |
| 187. | 1.8% | Pecatonica Area School District / 2,845 |
| 188. | 1.8% | Argyle School District / 1,959 |
| 189. | 1.8% | Rhinelander School District / 20,306 |
| 189. | 1.8% | Reedsburg School District / 17,008 |
| 191. | 1.8% | Iola-Scandinavia School District / 4,642 |
| 192. | 1.8% | Big Foot Union High School District / 9,326 |
| 192. | 1.8% | Frederic School District / 3,563 |
| 194. | 1.8% | Racine School District / 138,676 |
| 194. | 1.8% | Paris Joint No. 1 School District / 2,038 |
| 196. | 1.8% | Sparta Area School District / 17,128 |
| 196. | 1.8% | Monona Grove School District / 17,583 |
| 198. | 1.8% | Muskego-Norway School District / 29,362 |
| 199. | 1.7% | Waterloo School District / 5,500 |
| 199. | 1.7% | Waukesha School District / 93,541 |
| 199. | 1.7% | Ashland School District / 12,363 |
| 199. | 1.7% | Wisconsin Heights School District / 5,965 |
| 199. | 1.7% | Sun Prairie Area School District / 42,859 |
| 204. | 1.7% | Hilbert School District / 2,902 |
| 204. | 1.7% | D.C. Everest Area School District / 34,571 |
| 206. | 1.7% | Boyceville Community School District / 4,372 |
| 207. | 1.7% | Neillsville School District / 6,318 |
| 208. | 1.7% | Cochrane-Fountain City School District / 4,629 |
| 208. | 1.7% | Florence School District / 4,473 |
| 208. | 1.7% | Lakeland Union High School District / 17,992 |
| 208. | 1.7% | Sheboygan Area School District / 60,517 |
| 212. | 1.7% | Cedar Grove-Belgium Area School District / 5,598 |
| 213. | 1.7% | Westosha Central High School District / 19,733 |
| 213. | 1.7% | Pardeeville Area School District / 7,116 |
| 215. | 1.7% | East Troy Community School District / 11,944 |
| 215. | 1.7% | Holmen School District / 19,880 |
| 217. | 1.7% | Clear Lake School District / 3,261 |
| 218. | 1.7% | Germantown School District / 25,594 |
| 218. | 1.7% | New Auburn School District / 1,862 |
| 220. | 1.6% | Clintonville School District / 10,063 |
| 220. | 1.6% | Elmbrook School District / 45,085 |
| 222. | 1.6% | Walworth Joint No. 1 School District / 4,085 |
| 222. | 1.6% | Gibraltar Area School District / 5,633 |
| 224. | 1.6% | Maple School District / 8,147 |
| 224. | 1.6% | Palmyra-Eagle Area School District / 7,515 |
| 224. | 1.6% | Menomonie Area School District / 27,332 |
| 227. | 1.6% | New Berlin School District / 35,101 |
| 227. | 1.6% | Three Lakes School District / 3,974 |
| 227. | 1.6% | Galesville-Ettrick-Trempealeau School District / 8,770 |
| 230. | 1.6% | Bangor School District / 4,002 |
| 231. | 1.6% | Swallow School District / 3,409 |
| 231. | 1.6% | Yorkville Joint No. 2 School District / 2,875 |
| 233. | 1.6% | Westfield School District / 9,240 |
| 233. | 1.6% | Middleton-Cross Plains School District / 39,214 |
| 235. | 1.6% | Name N/A / 213,969 |
| 236. | 1.6% | Linn Joint No. 6 School District / 886 |
| 237. | 1.5% | Oconto School District / 7,416 |
| 238. | 1.5% | Johnson Creek School District / 4,565 |
| 238. | 1.5% | Hurley School District / 4,190 |
| 240. | 1.5% | Kaukauna Area School District / 22,970 |
| 241. | 1.5% | Parkview School District / 6,208 |
| 241. | 1.5% | Janesville School District / 62,962 |
| 241. | 1.5% | Columbus School District / 7,809 |
| 244. | 1.5% | Richfield Joint No. 1 School District / 4,552 |
| 244. | 1.5% | Tomahawk School District / 10,012 |
| 246. | 1.5% | Marathon City School District / 4,688 |
| 246. | 1.5% | Solon Springs School District / 2,049 |
| 248. | 1.5% | Woodruff Joint No. 1 School District / 5,252 |
| 249. | 1.5% | Colby School District / 6,678 |
| 249. | 1.5% | West Allis School District / 68,357 |
| 249. | 1.5% | Appleton Area School District / 95,613 |
| 252. | 1.5% | Oconomowoc Area School District / 33,489 |
| 252. | 1.5% | West Bend School District / 51,889 |
| 254. | 1.4% | Geneva Joint No. 4 School District / 1,127 |
| 254. | 1.4% | Sharon Joint No. 11 School District / 1,992 |
| 254. | 1.4% | Baraboo School District / 20,321 |
| 257. | 1.4% | Turtle Lake School District / 3,201 |
| 257. | 1.4% | Stevens Point Area School District / 56,966 |
| 259. | 1.4% | Hartford Union High School District / 32,054 |
| 260. | 1.4% | Arrowhead Union High School District / 34,356 |
| 261. | 1.4% | Tigerton School District / 2,020 |
| 261. | 1.4% | Dodgeland School District / 5,821 |
| 263. | 1.4% | Hayward Community School District / 13,434 |
| 263. | 1.4% | Stoughton Area School District / 21,018 |
| 265. | 1.4% | Norway Joint No. 7 School District / 1,884 |
| 266. | 1.3% | Fall Creek School District / 3,983 |
| 266. | 1.3% | Elkhorn Area School District / 17,786 |
| 268. | 1.3% | Salem School District / 9,446 |
| 269. | 1.3% | Lake Mills Area School District / 9,325 |
| 269. | 1.3% | Madison Metropolitan School District / 231,979 |
| 269. | 1.3% | Herman No. 22 School District / 1,824 |
| 272. | 1.3% | Grantsburg School District / 4,821 |
| 272. | 1.3% | Portage Community School District / 17,320 |
| 274. | 1.3% | Lomira School District / 6,736 |
| 274. | 1.3% | Osceola School District / 8,963 |
| 274. | 1.3% | New London School District / 15,469 |
| 277. | 1.3% | Union Grove Union High School District / 13,314 |
| 277. | 1.3% | Winter School District / 2,702 |
| 279. | 1.3% | Wild Rose School District / 5,153 |
| 279. | 1.3% | Elkhart Lake-Glenbeulah School District / 3,687 |
| 281. | 1.3% | Cuba City School District / 4,821 |
| 281. | 1.3% | Wauwatosa School District / 46,838 |
| 283. | 1.3% | Lake Geneva Joint No. 1 School District / 16,734 |
| 283. | 1.3% | Wrightstown Community School District / 7,476 |
| 285. | 1.3% | Verona Area School District / 40,475 |
| 285. | 1.3% | Kewaskum School District / 14,066 |
| 287. | 1.2% | Merrill Area School District / 20,594 |
| 287. | 1.2% | Beloit School District / 36,451 |
| 289. | 1.2% | Tomah Area School District / 20,794 |
| 290. | 1.2% | Whitnall School District / 17,477 |
| 290. | 1.2% | Benton School District / 1,446 |
| 292. | 1.2% | Owen-Withee School District / 4,552 |
| 292. | 1.2% | Merton Community School District / 6,294 |
| 294. | 1.2% | Randall Joint No. 1 School District / 5,301 |
| 294. | 1.2% | DeForest Area School District / 20,770 |
| 296. | 1.2% | Bayfield School District / 2,763 |
| 296. | 1.2% | Southwestern Wisconsin School District / 3,795 |
| 298. | 1.2% | Athens School District / 4,181 |
| 299. | 1.2% | Wautoma Area School District / 11,191 |
| 299. | 1.2% | Marshall School District / 5,829 |
| 301. | 1.2% | Port Washington-Saukville School District / 17,300 |
| 301. | 1.2% | St. Francis School District / 9,488 |
| 303. | 1.2% | Shiocton School District / 4,046 |
| 303. | 1.2% | Washington School District / 806 |
| 303. | 1.2% | Wittenberg-Birnamwood School District / 7,656 |
| 303. | 1.2% | Kohler School District / 2,410 |
| 307. | 1.1% | Delavan-Darien School District / 17,140 |
| 307. | 1.1% | Whitefish Bay School District / 14,132 |
| 307. | 1.1% | Shorewood School District / 13,245 |
| 310. | 1.1% | Tomorrow River School District / 4,822 |
| 310. | 1.1% | Chilton School District / 7,148 |
| 310. | 1.1% | Clinton Community School District / 5,897 |
| 313. | 1.1% | Kenosha School District / 128,596 |
| 313. | 1.1% | North Cape School District / 813 |
| 313. | 1.1% | Jefferson School District / 13,304 |
| 313. | 1.1% | Glenwood City School District / 3,926 |
| 313. | 1.1% | Winneconne Community School District / 8,945 |
| 318. | 1.1% | Waupaca School District / 15,698 |
| 318. | 1.1% | Watertown School District / 30,906 |
| 318. | 1.1% | Niagara School District / 2,475 |
| 318. | 1.1% | Superior School District / 33,504 |
| 318. | 1.1% | Lac du Flambeau No. 1 School District / 3,439 |
| 323. | 1.1% | Mineral Point School District / 4,379 |
| 323. | 1.1% | Fox Point Joint No. 2 School District / 11,129 |
| 325. | 1.1% | Belmont Community School District / 2,176 |
| 325. | 1.1% | Northern Ozaukee School District / 5,776 |
| 327. | 1.1% | Bowler School District / 2,769 |
| 327. | 1.1% | Mequon-Thiensville School District / 26,543 |
| 329. | 1.0% | Mayville School District / 7,763 |
| 329. | 1.0% | Green Lake School District / 2,598 |
| 331. | 1.0% | Evansville Community School District / 9,575 |
| 331. | 1.0% | Ripon Area School District / 10,739 |
| 333. | 1.0% | Hartland-Lakeside Joint No. 3 School District / 11,338 |
| 333. | 1.0% | Wausau School District / 54,341 |
| 333. | 1.0% | Whitewater School District / 20,275 |
| 333. | 1.0% | Peshtigo School District / 6,305 |
| 333. | 1.0% | New Holstein School District / 8,948 |
| 333. | 1.0% | Menomonee Falls School District / 29,371 |
| 339. | 1.0% | Bristol No. 1 School District / 4,914 |
| 339. | 1.0% | Linn Joint No. 4 School District / 1,028 |
| 341. | 1.0% | Markesan School District / 6,710 |
| 342. | 1.0% | Hartford Joint No. 1 School District / 17,750 |
| 343. | 1.0% | Nicolet Union High School District / 25,523 |
| 343. | 1.0% | Baldwin-Woodville Area School District / 8,359 |
| 343. | 1.0% | Fond du Lac School District / 53,083 |
| 346. | 1.0% | North Fond du Lac School District / 7,716 |
| 346. | 1.0% | Oak Creek-Franklin School District / 39,401 |
| 346. | 1.0% | Kimberly Area School District / 26,314 |
| 349. | 0.9% | Weyauwega-Fremont School District / 6,939 |
| 349. | 0.9% | Sheboygan Falls School District / 11,926 |
| 351. | 0.9% | Friess Lake School District / 2,302 |
| 351. | 0.9% | Glendale-River Hills School District / 12,747 |
| 353. | 0.9% | Barneveld School District / 2,277 |
| 353. | 0.9% | Port Edwards School District / 3,622 |
| 353. | 0.9% | Spencer School District / 4,659 |
| 356. | 0.9% | Rosholt School District / 3,824 |
| 357. | 0.9% | Hortonville School District / 20,062 |
| 358. | 0.9% | Oakfield School District / 3,270 |
| 359. | 0.9% | Fort Atkinson School District / 18,389 |
| 359. | 0.9% | Oshkosh Area School District / 80,425 |
| 361. | 0.9% | New Richmond School District / 17,211 |
| 361. | 0.9% | Random Lake School District / 5,687 |
| 361. | 0.9% | Seymour Community School District / 13,166 |
| 364. | 0.8% | Blair-Taylor School District / 4,291 |
| 364. | 0.8% | Princeton School District / 3,128 |
| 366. | 0.8% | Rosendale-Brandon School District / 5,591 |
| 367. | 0.8% | Goodman-Armstrong School District / 1,132 |
| 367. | 0.8% | Menasha School District / 25,218 |
| 369. | 0.8% | Lake Country School District / 4,472 |
| 369. | 0.8% | Gresham School District / 1,918 |
| 371. | 0.8% | Belleville School District / 5,552 |
| 372. | 0.8% | Black Hawk School District / 2,526 |
| 372. | 0.8% | Tri-County Area School District / 3,834 |
| 374. | 0.7% | Slinger School District / 15,883 |
| 375. | 0.7% | Beloit Turner School District / 8,795 |
| 375. | 0.7% | Horicon School District / 5,579 |
| 377. | 0.7% | Greenwood School District / 3,335 |
| 378. | 0.7% | Freedom Area School District / 9,112 |
| 378. | 0.7% | Plymouth School District / 17,055 |
| 380. | 0.7% | Arcadia School District / 5,779 |
| 380. | 0.7% | Mondovi School District / 5,877 |
| 380. | 0.7% | Loyal School District / 4,064 |
| 383. | 0.7% | Milwaukee School District / 598,035 |
| 384. | 0.7% | Omro School District / 7,929 |
| 384. | 0.7% | Fall River School District / 2,796 |
| 386. | 0.7% | Granton Area School District / 2,223 |
| 387. | 0.6% | Independence School District / 2,561 |
| 387. | 0.6% | Whitehall School District / 5,016 |
| 389. | 0.6% | Augusta School District / 4,598 |
| 389. | 0.6% | Somerset School District / 8,083 |
| 391. | 0.6% | Beaver Dam School District / 22,667 |
| 391. | 0.6% | Franklin Public School District / 29,025 |
| 393. | 0.6% | Menominee Indian School District / 4,382 |
| 394. | 0.6% | Waupun School District / 19,002 |
| 395. | 0.6% | Osseo-Fairchild School District / 5,585 |
| 395. | 0.6% | Brown Deer School District / 12,067 |
| 395. | 0.6% | Manawa School District / 5,076 |
| 395. | 0.6% | Campbellsport School District / 10,433 |
| 399. | 0.5% | Maple Dale-Indian Hill School District / 1,647 |
| 400. | 0.5% | Oostburg School District / 6,422 |
| 401. | 0.5% | Cassville School District / 2,088 |
| 402. | 0.5% | Durand School District / 7,216 |
| 402. | 0.5% | Edgerton School District / 11,239 |
| 404. | 0.5% | Albany School District / 2,827 |
| 405. | 0.5% | Berlin Area School District / 10,437 |
| 406. | 0.5% | Plum City School District / 1,836 |
| 407. | 0.4% | Shullsburg School District / 2,172 |
| 408. | 0.4% | Cambria-Friesland School District / 2,373 |
| 408. | 0.4% | Hustisford School District / 3,356 |
| 408. | 0.4% | Brodhead School District / 6,436 |
| 411. | 0.4% | Howards Grove School District / 5,885 |
| 412. | 0.4% | Randolph School District / 3,175 |
| 413. | 0.4% | New Glarus School District / 4,752 |
| 414. | 0.3% | Alma School District / 1,515 |
| 415. | 0.2% | Monroe School District / 15,685 |
| 416. | 0.2% | Monticello School District / 2,522 |
| 416. | 0.2% | Rubicon Joint No. 6 School District / 981 |
| 418. | 0.2% | Neosho Joint No. 3 School District / 2,081 |
| 419. | 0.2% | Almond-Bancroft School District / 2,999 |
| 420. | 0.1% | Darlington Community School District / 5,207 |
| 421. | 0.1% | Gilmanton School District / 1,052 |
Please note that we only rank locations with 'Czech as First Ancestry Population Percentage' data. The rank above might not be a complete list. Locations without 'Czech as First Ancestry Population Percentage' data are not listed.
