| Rank | Median Age ▲ | School District / Population |
| 1. | 15.90 | Norris School District / 64 |
| 2. | 22.70 | Platteville School District / 15,055 |
| 3. | 23.20 | Whitewater School District / 20,275 |
| 4. | 29.00 | Menomonie Area School District / 27,332 |
| 5. | 29.90 | River Falls School District / 22,810 |
| 6. | 30.80 | Madison Metropolitan School District / 231,979 |
| 6. | 30.80 | Loyal School District / 4,064 |
| 6. | 30.80 | Milwaukee School District / 598,035 |
| 9. | 32.20 | La Crosse School District / 63,606 |
| 10. | 32.60 | Cashton School District / 3,579 |
| 10. | 32.60 | Eau Claire Area School District / 82,084 |
| 12. | 32.70 | Menominee Indian School District / 4,382 |
| 13. | 33.00 | Granton Area School District / 2,223 |
| 13. | 33.00 | Belmont Community School District / 2,176 |
| 15. | 33.70 | Stevens Point Area School District / 56,966 |
| 15. | 33.70 | Verona Area School District / 40,475 |
| 17. | 33.90 | Augusta School District / 4,598 |
| 18. | 34.00 | Norwalk-Ontario-Wilton School District / 4,425 |
| 19. | 34.10 | St. Croix Central School District / 7,585 |
| 20. | 34.30 | West De Pere School District / 21,072 |
| 21. | 34.50 | Sun Prairie Area School District / 42,859 |
| 22. | 34.60 | New Richmond School District / 17,211 |
| 23. | 34.80 | Beloit School District / 36,451 |
| 24. | 34.90 | Cambria-Friesland School District / 2,373 |
| 25. | 35.00 | Clayton School District / 2,071 |
| 26. | 35.20 | Green Bay Area School District / 137,011 |
| 27. | 35.30 | Thorp School District / 4,434 |
| 28. | 35.40 | Silver Lake Joint No. 1 School District / 4,145 |
| 29. | 35.50 | Oshkosh Area School District / 80,425 |
| 29. | 35.50 | Elk Mound Area School District / 4,900 |
| 29. | 35.50 | Genoa City Joint No. 2 School District / 5,453 |
| 32. | 35.70 | Brillion School District / 5,576 |
| 33. | 35.80 | Edgar School District / 3,713 |
| 33. | 35.80 | Menasha School District / 25,218 |
| 35. | 35.90 | Wrightstown Community School District / 7,476 |
| 35. | 35.90 | Somerset School District / 8,083 |
| 35. | 35.90 | Kenosha School District / 128,596 |
| 38. | 36.20 | Bangor School District / 4,002 |
| 38. | 36.20 | Belleville School District / 5,552 |
| 38. | 36.20 | Johnson Creek School District / 4,565 |
| 41. | 36.30 | Kaukauna Area School District / 22,970 |
| 42. | 36.40 | Bloomer School District / 7,337 |
| 43. | 36.60 | Appleton Area School District / 95,613 |
| 44. | 36.70 | Colby School District / 6,678 |
| 45. | 36.80 | Abbotsford School District / 3,735 |
| 45. | 36.80 | Sharon Joint No. 11 School District / 1,992 |
| 47. | 36.90 | Independence School District / 2,561 |
| 48. | 37.00 | Twin Lakes No. 4 School District / 3,655 |
| 48. | 37.00 | Stanley-Boyd Area School District / 7,760 |
| 50. | 37.10 | Arcadia School District / 5,779 |
| 50. | 37.10 | Waukesha School District / 93,541 |
| 52. | 37.20 | Baldwin-Woodville Area School District / 8,359 |
| 53. | 37.40 | Athens School District / 4,181 |
| 54. | 37.50 | Fall River School District / 2,796 |
| 54. | 37.50 | Spring Valley School District / 4,398 |
| 54. | 37.50 | Elkhorn Area School District / 17,786 |
| 57. | 37.60 | Altoona School District / 9,149 |
| 57. | 37.60 | Oak Creek-Franklin School District / 39,401 |
| 59. | 37.70 | Janesville School District / 62,962 |
| 60. | 37.90 | Kimberly Area School District / 26,314 |
| 61. | 38.00 | Holmen School District / 19,880 |
| 61. | 38.00 | Superior School District / 33,504 |
| 61. | 38.00 | West Allis School District / 68,357 |
| 64. | 38.10 | Racine School District / 138,676 |
| 64. | 38.10 | Delavan-Darien School District / 17,140 |
| 64. | 38.10 | De Pere Unified School District / 21,636 |
| 64. | 38.10 | Blair-Taylor School District / 4,291 |
| 64. | 38.10 | Waupun School District / 19,002 |
| 69. | 38.20 | Seymour Community School District / 13,166 |
| 69. | 38.20 | Barneveld School District / 2,277 |
| 69. | 38.20 | D.C. Everest Area School District / 34,571 |
| 69. | 38.20 | Fennimore Community School District / 4,720 |
| 73. | 38.40 | DeForest Area School District / 20,770 |
| 73. | 38.40 | Stratford School District / 5,380 |
| 73. | 38.40 | Howard-Suamico School District / 29,717 |
| 76. | 38.50 | Wauwatosa School District / 46,838 |
| 76. | 38.50 | Sheboygan Area School District / 60,517 |
| 78. | 38.60 | Owen-Withee School District / 4,552 |
| 79. | 38.70 | Hillsboro School District / 4,328 |
| 79. | 38.70 | Watertown School District / 30,906 |
| 79. | 38.70 | Hortonville School District / 20,062 |
| 82. | 38.80 | Deerfield Community School District / 4,227 |
| 82. | 38.80 | Milton School District / 19,123 |
| 82. | 38.80 | Walworth Joint No. 1 School District / 4,085 |
| 82. | 38.80 | Dover No. 1 School District / 1,821 |
| 82. | 38.80 | Shorewood School District / 13,245 |
| 82. | 38.80 | Onalaska School District / 17,696 |
| 88. | 38.90 | Port Washington-Saukville School District / 17,300 |
| 88. | 38.90 | Cedar Grove-Belgium Area School District / 5,598 |
| 88. | 38.90 | Salem School District / 9,446 |
| 88. | 38.90 | Wauzeka-Steuben School District / 1,585 |
| 88. | 38.90 | Melrose-Mindoro School District / 4,359 |
| 93. | 39.00 | Neenah School District / 44,156 |
| 94. | 39.10 | Marshall School District / 5,829 |
| 94. | 39.10 | Royall School District / 4,020 |
| 94. | 39.10 | Little Chute Area School District / 8,423 |
| 97. | 39.30 | Middleton-Cross Plains School District / 39,214 |
| 97. | 39.30 | Hudson School District / 30,864 |
| 97. | 39.30 | Osceola School District / 8,963 |
| 97. | 39.30 | Ashland School District / 12,363 |
| 101. | 39.40 | Almond-Bancroft School District / 2,999 |
| 101. | 39.40 | Waterloo School District / 5,500 |
| 103. | 39.50 | Fond du Lac School District / 53,083 |
| 103. | 39.50 | Lomira School District / 6,736 |
| 103. | 39.50 | Darlington Community School District / 5,207 |
| 103. | 39.50 | Glenwood City School District / 3,926 |
| 107. | 39.60 | Hartford Joint No. 1 School District / 17,750 |
| 107. | 39.60 | Reedsburg School District / 17,008 |
| 107. | 39.60 | Iowa-Grant School District / 4,543 |
| 110. | 39.70 | Auburndale School District / 4,651 |
| 111. | 39.80 | Evansville Community School District / 9,575 |
| 111. | 39.80 | Lake Country School District / 4,472 |
| 111. | 39.80 | Sparta Area School District / 17,128 |
| 114. | 39.90 | Greenwood School District / 3,335 |
| 114. | 39.90 | Trevor-Wilmot Consolidated School District / 3,586 |
| 114. | 39.90 | Tomah Area School District / 20,794 |
| 117. | 40.00 | Howards Grove School District / 5,885 |
| 117. | 40.00 | Baraboo School District / 20,321 |
| 117. | 40.00 | Poynette School District / 6,358 |
| 120. | 40.10 | Chilton School District / 7,148 |
| 120. | 40.10 | Ripon Area School District / 10,739 |
| 122. | 40.20 | West Salem School District / 9,879 |
| 122. | 40.20 | Wausau School District / 54,341 |
| 124. | 40.30 | Spencer School District / 4,659 |
| 124. | 40.30 | Wilmot Union High School District / 18,848 |
| 124. | 40.30 | Prescott School District / 7,902 |
| 124. | 40.30 | Bowler School District / 2,769 |
| 128. | 40.50 | Oconomowoc Area School District / 33,489 |
| 128. | 40.50 | West Bend School District / 51,889 |
| 128. | 40.50 | Pulaski Community School District / 19,880 |
| 128. | 40.50 | Weston School District / 2,401 |
| 128. | 40.50 | South Milwaukee School District / 21,210 |
| 128. | 40.50 | Horicon School District / 5,579 |
| 128. | 40.50 | Whitefish Bay School District / 14,132 |
| 135. | 40.60 | Sauk Prairie School District / 16,021 |
| 135. | 40.60 | Waunakee Community School District / 18,546 |
| 135. | 40.60 | Cudahy School District / 18,321 |
| 135. | 40.60 | Mount Horeb Area School District / 12,578 |
| 139. | 40.70 | Richmond School District / 3,255 |
| 139. | 40.70 | Albany School District / 2,827 |
| 139. | 40.70 | Jefferson School District / 13,304 |
| 139. | 40.70 | Oregon School District / 20,141 |
| 143. | 40.80 | Colfax School District / 4,639 |
| 143. | 40.80 | Luxemburg-Casco School District / 10,957 |
| 143. | 40.80 | Linn Joint No. 4 School District / 1,028 |
| 143. | 40.80 | Hartland-Lakeside Joint No. 3 School District / 11,338 |
| 143. | 40.80 | Lake Geneva-Genoa City Union High School District / 24,342 |
| 148. | 40.90 | Monona Grove School District / 17,583 |
| 148. | 40.90 | Cameron School District / 4,973 |
| 148. | 40.90 | Freedom Area School District / 9,112 |
| 148. | 40.90 | Barron Area School District / 8,722 |
| 148. | 40.90 | Grafton School District / 14,235 |
| 153. | 41.00 | Franklin Public School District / 29,025 |
| 153. | 41.00 | Mondovi School District / 5,877 |
| 153. | 41.00 | Lancaster Community School District / 6,028 |
| 153. | 41.00 | Lake Mills Area School District / 9,325 |
| 153. | 41.00 | Ashwaubenon School District / 16,070 |
| 158. | 41.10 | Omro School District / 7,929 |
| 159. | 41.20 | Clear Lake School District / 3,261 |
| 159. | 41.20 | North Fond du Lac School District / 7,716 |
| 159. | 41.20 | Shiocton School District / 4,046 |
| 159. | 41.20 | Chippewa Falls Area School District / 33,735 |
| 159. | 41.20 | Boscobel Area School District / 5,662 |
| 159. | 41.20 | Dodgeland School District / 5,821 |
| 165. | 41.30 | Plymouth School District / 17,055 |
| 165. | 41.30 | Union Grove Joint No. 1 School District / 5,282 |
| 167. | 41.40 | Bristol No. 1 School District / 4,914 |
| 167. | 41.40 | Oostburg School District / 6,422 |
| 167. | 41.40 | Herman No. 22 School District / 1,824 |
| 170. | 41.50 | Whitehall School District / 5,016 |
| 170. | 41.50 | Cadott Community School District / 5,058 |
| 170. | 41.50 | Eleva-Strum School District / 3,668 |
| 170. | 41.50 | Pardeeville Area School District / 7,116 |
| 170. | 41.50 | Marshfield School District / 27,462 |
| 175. | 41.60 | Hamilton School District / 25,784 |
| 175. | 41.60 | New London School District / 15,469 |
| 175. | 41.60 | Argyle School District / 1,959 |
| 175. | 41.60 | River Ridge School District / 3,807 |
| 175. | 41.60 | Gresham School District / 1,918 |
| 180. | 41.70 | Westosha Central High School District / 19,733 |
| 180. | 41.70 | Valders Area School District / 6,970 |
| 180. | 41.70 | Randolph School District / 3,175 |
| 183. | 41.80 | Boyceville Community School District / 4,372 |
| 184. | 41.90 | La Farge School District / 1,895 |
| 184. | 41.90 | Neosho Joint No. 3 School District / 2,081 |
| 184. | 41.90 | Ellsworth Community School District / 10,828 |
| 184. | 41.90 | Denmark School District / 8,500 |
| 184. | 41.90 | Gilmanton School District / 1,052 |
| 189. | 42.00 | Beecher-Dunbar-Pembine School District / 2,555 |
| 189. | 42.00 | Slinger School District / 15,883 |
| 189. | 42.00 | Rosendale-Brandon School District / 5,591 |
| 189. | 42.00 | Clinton Community School District / 5,897 |
| 189. | 42.00 | Wonewoc-Union Center School District / 3,370 |
| 194. | 42.10 | Highland School District / 1,564 |
| 194. | 42.10 | Medford Area School District / 14,425 |
| 196. | 42.20 | Hartford Union High School District / 32,054 |
| 196. | 42.20 | Reedsville School District / 4,692 |
| 196. | 42.20 | Portage Community School District / 17,320 |
| 196. | 42.20 | Northern Ozaukee School District / 5,776 |
| 196. | 42.20 | Beaver Dam School District / 22,667 |
| 201. | 42.30 | Pewaukee School District / 17,369 |
| 201. | 42.30 | Kewaskum School District / 14,066 |
| 201. | 42.30 | Norway Joint No. 7 School District / 1,884 |
| 201. | 42.30 | Pittsville School District / 4,042 |
| 205. | 42.40 | Columbus School District / 7,809 |
| 205. | 42.40 | Lake Geneva Joint No. 1 School District / 16,734 |
| 205. | 42.40 | Lena School District / 2,588 |
| 205. | 42.40 | Markesan School District / 6,710 |
| 205. | 42.40 | Arrowhead Union High School District / 34,356 |
| 210. | 42.50 | Tomorrow River School District / 4,822 |
| 210. | 42.50 | Clintonville School District / 10,063 |
| 210. | 42.50 | Monroe School District / 15,685 |
| 213. | 42.60 | Williams Bay School District / 3,518 |
| 213. | 42.60 | Paris Joint No. 1 School District / 2,038 |
| 213. | 42.60 | St. Croix Falls School District / 6,783 |
| 213. | 42.60 | Marion School District / 3,950 |
| 213. | 42.60 | Merrill Area School District / 20,594 |
| 213. | 42.60 | Fort Atkinson School District / 18,389 |
| 219. | 42.70 | Burlington Area School District / 23,139 |
| 219. | 42.70 | Union Grove Union High School District / 13,314 |
| 219. | 42.70 | Kickapoo Area School District / 3,162 |
| 219. | 42.70 | Coleman School District / 4,951 |
| 219. | 42.70 | Kiel Area School District / 8,805 |
| 219. | 42.70 | Merton Community School District / 6,294 |
| 225. | 42.80 | Washington-Caldwell School District / 2,060 |
| 225. | 42.80 | Swallow School District / 3,409 |
| 225. | 42.80 | Prairie du Chien Area School District / 8,493 |
| 225. | 42.80 | Palmyra-Eagle Area School District / 7,515 |
| 225. | 42.80 | Waterford Joint No. 1 School District / 13,724 |
| 230. | 42.90 | Mineral Point School District / 4,379 |
| 230. | 42.90 | Stoughton Area School District / 21,018 |
| 230. | 42.90 | Waterford Union High School District / 18,481 |
| 230. | 42.90 | Fall Creek School District / 3,983 |
| 230. | 42.90 | Brown Deer School District / 12,067 |
| 230. | 42.90 | Benton School District / 1,446 |
| 230. | 42.90 | Brodhead School District / 6,436 |
| 237. | 43.00 | Unity School District / 7,384 |
| 238. | 43.10 | Galesville-Ettrick-Trempealeau School District / 8,770 |
| 238. | 43.10 | Bonduel School District / 6,393 |
| 238. | 43.10 | Mayville School District / 7,763 |
| 238. | 43.10 | Richland School District / 11,095 |
| 238. | 43.10 | Niagara School District / 2,475 |
| 238. | 43.10 | Name N/A / 213,969 |
| 238. | 43.10 | Viroqua Area School District / 8,605 |
| 245. | 43.20 | Hustisford School District / 3,356 |
| 245. | 43.20 | Parkview School District / 6,208 |
| 245. | 43.20 | Alma Center School District / 3,097 |
| 248. | 43.30 | McFarland School District / 10,523 |
| 248. | 43.30 | Elmwood School District / 2,162 |
| 248. | 43.30 | Plum City School District / 1,836 |
| 248. | 43.30 | Greendale School District / 14,208 |
| 248. | 43.30 | Edgerton School District / 11,239 |
| 248. | 43.30 | Wittenberg-Birnamwood School District / 7,656 |
| 248. | 43.30 | River Valley School District / 9,430 |
| 248. | 43.30 | New Auburn School District / 1,862 |
| 256. | 43.40 | Juda School District / 1,258 |
| 256. | 43.40 | Osseo-Fairchild School District / 5,585 |
| 256. | 43.40 | Marinette School District / 15,256 |
| 256. | 43.40 | Cuba City School District / 4,821 |
| 256. | 43.40 | Big Foot Union High School District / 9,326 |
| 261. | 43.50 | Rio Community School District / 2,978 |
| 261. | 43.50 | Dodgeville School District / 8,188 |
| 261. | 43.50 | Black Hawk School District / 2,526 |
| 261. | 43.50 | East Troy Community School District / 11,944 |
| 261. | 43.50 | Kohler School District / 2,410 |
| 261. | 43.50 | Black River Falls School District / 12,464 |
| 267. | 43.60 | Mukwonago School District / 29,112 |
| 267. | 43.60 | Cedarburg School District / 19,793 |
| 269. | 43.70 | Muskego-Norway School District / 29,362 |
| 269. | 43.70 | Oconto Falls School District / 10,837 |
| 269. | 43.70 | Lodi School District / 9,645 |
| 269. | 43.70 | Potosi School District / 2,344 |
| 269. | 43.70 | Antigo School District / 17,801 |
| 269. | 43.70 | Manawa School District / 5,076 |
| 275. | 43.80 | Berlin Area School District / 10,437 |
| 275. | 43.80 | New Glarus School District / 4,752 |
| 275. | 43.80 | Mellen School District / 1,913 |
| 275. | 43.80 | Westby Area School District / 7,902 |
| 275. | 43.80 | Sheboygan Falls School District / 11,926 |
| 280. | 43.90 | Germantown School District / 25,594 |
| 280. | 43.90 | Wisconsin Dells School District / 11,762 |
| 280. | 43.90 | Wisconsin Heights School District / 5,965 |
| 283. | 44.00 | Oconto School District / 7,416 |
| 283. | 44.00 | Mosinee School District / 11,575 |
| 283. | 44.00 | Riverdale School District / 4,998 |
| 286. | 44.10 | Tri-County Area School District / 3,834 |
| 286. | 44.10 | Flambeau School District / 4,318 |
| 288. | 44.20 | Crandon School District / 5,831 |
| 289. | 44.30 | Randall Joint No. 1 School District / 5,301 |
| 289. | 44.30 | Shell Lake School District / 3,581 |
| 289. | 44.30 | Marathon City School District / 4,688 |
| 289. | 44.30 | New Lisbon School District / 5,231 |
| 293. | 44.40 | Lac du Flambeau No. 1 School District / 3,439 |
| 293. | 44.40 | North Cape School District / 813 |
| 293. | 44.40 | Ladysmith-Hawkins School District / 5,256 |
| 296. | 44.50 | Manitowoc School District / 38,734 |
| 296. | 44.50 | Necedah Area School District / 4,803 |
| 296. | 44.50 | Random Lake School District / 5,687 |
| 296. | 44.50 | Menomonee Falls School District / 29,371 |
| 296. | 44.50 | Rib Lake School District / 2,704 |
| 301. | 44.60 | Greenfield School District / 29,398 |
| 301. | 44.60 | Maple School District / 8,147 |
| 301. | 44.60 | Grantsburg School District / 4,821 |
| 304. | 44.70 | Wisconsin Rapids School District / 34,912 |
| 304. | 44.70 | Pecatonica Area School District / 2,845 |
| 306. | 44.80 | Ithaca School District / 1,620 |
| 306. | 44.80 | Durand School District / 7,216 |
| 308. | 44.90 | Mishicot School District / 5,971 |
| 308. | 44.90 | Hilbert School District / 2,902 |
| 308. | 44.90 | Wautoma Area School District / 11,191 |
| 308. | 44.90 | Cochrane-Fountain City School District / 4,629 |
| 308. | 44.90 | Two Rivers School District / 13,011 |
| 313. | 45.00 | Algoma School District / 5,297 |
| 313. | 45.00 | St. Francis School District / 9,488 |
| 313. | 45.00 | Campbellsport School District / 10,433 |
| 313. | 45.00 | Monticello School District / 2,522 |
| 313. | 45.00 | Weyauwega-Fremont School District / 6,939 |
| 313. | 45.00 | Peshtigo School District / 6,305 |
| 319. | 45.10 | Oakfield School District / 3,270 |
| 319. | 45.10 | Fox Point Joint No. 2 School District / 11,129 |
| 319. | 45.10 | Cornell School District / 2,795 |
| 319. | 45.10 | Prairie Farm School District / 1,808 |
| 323. | 45.20 | Rice Lake Area School District / 16,053 |
| 323. | 45.20 | Mauston School District / 9,862 |
| 325. | 45.30 | Tigerton School District / 2,020 |
| 325. | 45.30 | Kettle Moraine School District / 24,656 |
| 327. | 45.50 | Glendale-River Hills School District / 12,747 |
| 327. | 45.50 | Gilman School District / 3,025 |
| 327. | 45.50 | Raymond No. 14 School District / 3,274 |
| 327. | 45.50 | Nicolet Union High School District / 25,523 |
| 327. | 45.50 | Cassville School District / 2,088 |
| 332. | 45.60 | Port Edwards School District / 3,622 |
| 332. | 45.60 | Sturgeon Bay School District / 8,317 |
| 332. | 45.60 | Laona School District / 1,317 |
| 332. | 45.60 | Neillsville School District / 6,318 |
| 336. | 45.80 | Rosholt School District / 3,824 |
| 336. | 45.80 | Shawano School District / 17,293 |
| 338. | 45.90 | Siren School District / 2,885 |
| 339. | 46.10 | Rubicon Joint No. 6 School District / 981 |
| 339. | 46.10 | North Lake School District / 2,814 |
| 341. | 46.20 | Southwestern Wisconsin School District / 3,795 |
| 342. | 46.30 | Hayward Community School District / 13,434 |
| 342. | 46.30 | Yorkville Joint No. 2 School District / 2,875 |
| 344. | 46.40 | Rhinelander School District / 20,306 |
| 345. | 46.50 | Prentice School District / 3,034 |
| 345. | 46.50 | Gillett School District / 3,877 |
| 345. | 46.50 | Whitnall School District / 17,477 |
| 345. | 46.50 | Richfield Joint No. 1 School District / 4,552 |
| 349. | 46.60 | Turtle Lake School District / 3,201 |
| 349. | 46.60 | Seneca School District / 1,618 |
| 351. | 46.70 | Wheatland Joint No. 1 School District / 4,408 |
| 352. | 46.80 | Bayfield School District / 2,763 |
| 353. | 46.90 | Kewaunee School District / 6,889 |
| 353. | 46.90 | Butternut School District / 1,282 |
| 353. | 46.90 | Iola-Scandinavia School District / 4,642 |
| 356. | 47.00 | Southern Door County School District / 7,913 |
| 356. | 47.00 | New Berlin School District / 35,101 |
| 358. | 47.10 | New Holstein School District / 8,948 |
| 358. | 47.10 | Cumberland School District / 5,692 |
| 360. | 47.20 | Waupaca School District / 15,698 |
| 360. | 47.20 | Elmbrook School District / 45,085 |
| 360. | 47.20 | Winneconne Community School District / 8,945 |
| 360. | 47.20 | Friess Lake School District / 2,302 |
| 364. | 47.30 | Washburn School District / 3,836 |
| 364. | 47.30 | Amery School District / 9,808 |
| 364. | 47.30 | Bruce School District / 3,675 |
| 364. | 47.30 | North Crawford School District / 3,141 |
| 368. | 47.40 | Princeton School District / 3,128 |
| 368. | 47.40 | Shullsburg School District / 2,172 |
| 370. | 47.50 | Beloit Turner School District / 8,795 |
| 371. | 47.60 | Frederic School District / 3,563 |
| 372. | 48.10 | Westfield School District / 9,240 |
| 372. | 48.10 | Stone Bank School District / 2,774 |
| 374. | 48.30 | Mequon-Thiensville School District / 26,543 |
| 374. | 48.30 | Hurley School District / 4,190 |
| 376. | 48.40 | Erin School District / 2,564 |
| 376. | 48.40 | Name N/A / 8,345 |
| 378. | 48.50 | Luck School District / 3,501 |
| 379. | 48.60 | Maple Dale-Indian Hill School District / 1,647 |
| 379. | 48.60 | Stockbridge School District / 1,817 |
| 379. | 48.60 | Adams-Friendship Area School District / 14,373 |
| 382. | 48.70 | Solon Springs School District / 2,049 |
| 383. | 49.10 | Cambridge School District / 5,786 |
| 384. | 49.20 | Spooner Area School District / 10,344 |
| 385. | 49.60 | De Soto Area School District / 4,209 |
| 386. | 49.70 | Florence School District / 4,473 |
| 386. | 49.70 | Montello School District / 6,151 |
| 388. | 49.80 | Nekoosa School District / 8,698 |
| 389. | 50.60 | Elkhart Lake-Glenbeulah School District / 3,687 |
| 390. | 50.80 | Lake Holcombe School District / 2,374 |
| 391. | 51.00 | Woodruff Joint No. 1 School District / 5,252 |
| 392. | 51.20 | Brighton No. 1 School District / 1,150 |
| 392. | 51.20 | Phillips School District / 5,899 |
| 394. | 51.30 | Chequamegon School District / 6,563 |
| 395. | 51.60 | Northland Pines School District / 11,239 |
| 396. | 51.70 | Green Lake School District / 2,598 |
| 396. | 51.70 | Tomahawk School District / 10,012 |
| 398. | 51.80 | Fontana Joint No. 8 School District / 2,363 |
| 399. | 52.20 | Crivitz School District / 5,945 |
| 400. | 52.30 | Alma School District / 1,515 |
| 401. | 52.40 | Pepin Area School District / 1,963 |
| 402. | 52.70 | Goodman-Armstrong School District / 1,132 |
| 403. | 52.80 | Lakeland Union High School District / 17,992 |
| 403. | 52.80 | Sevastopol School District / 5,120 |
| 405. | 53.00 | Geneva Joint No. 4 School District / 1,127 |
| 406. | 53.10 | Winter School District / 2,702 |
| 407. | 53.20 | Suring School District / 4,052 |
| 408. | 53.30 | Wild Rose School District / 5,153 |
| 408. | 53.30 | Wausaukee School District / 4,075 |
| 410. | 53.80 | Drummond Area School District / 4,565 |
| 410. | 53.80 | Three Lakes School District / 3,974 |
| 412. | 54.40 | Phelps School District / 1,285 |
| 413. | 54.60 | Minocqua Joint No. 1 School District / 6,684 |
| 414. | 54.70 | South Shore School District / 1,630 |
| 415. | 55.10 | Webster School District / 5,650 |
| 416. | 55.50 | Wabeno Area School District / 3,669 |
| 417. | 55.60 | Northwood School District / 2,909 |
| 418. | 56.00 | White Lake School District / 1,431 |
| 419. | 56.30 | Birchwood School District / 2,122 |
| 419. | 56.30 | Elcho School District / 3,145 |
| 421. | 58.00 | Linn Joint No. 6 School District / 886 |
| 422. | 58.50 | Mercer School District / 1,354 |
| 423. | 60.20 | Gibraltar Area School District / 5,633 |
| 424. | 60.70 | North Lakeland School District / 2,617 |
| 425. | 61.90 | Washington School District / 806 |
Please note that we only rank locations with 'Median Age' data. The rank above might not be a complete list. Locations without 'Median Age' data are not listed.
