| Rank | Median Age ▲ | School District / Population |
| 1. | 16.60 | Norris School District / 49 |
| 2. | 23.60 | Platteville School District / 14,339 |
| 3. | 25.60 | Whitewater School District / 19,847 |
| 4. | 27.80 | Menomonie Area School District / 26,646 |
| 5. | 30.00 | West De Pere School District / 19,425 |
| 5. | 30.00 | River Falls School District / 22,575 |
| 7. | 30.40 | Milwaukee School District / 589,660 |
| 8. | 30.90 | Madison Metropolitan School District / 222,505 |
| 9. | 31.50 | Eau Claire Area School District / 80,230 |
| 10. | 31.70 | Cashton School District / 3,601 |
| 11. | 32.30 | La Crosse School District / 62,715 |
| 12. | 33.00 | Genoa City Joint No. 2 School District / 4,920 |
| 13. | 33.10 | Verona Area School District / 36,326 |
| 13. | 33.10 | St. Croix Central School District / 7,544 |
| 15. | 33.20 | Loyal School District / 4,110 |
| 16. | 33.30 | Beloit School District / 36,988 |
| 16. | 33.30 | Stevens Point Area School District / 56,140 |
| 18. | 33.50 | Hillsboro School District / 4,544 |
| 18. | 33.50 | Beecher-Dunbar-Pembine School District / 3,145 |
| 18. | 33.50 | Sun Prairie Area School District / 39,969 |
| 21. | 34.10 | Menominee Indian School District / 4,251 |
| 21. | 34.10 | Walworth Joint No. 1 School District / 3,915 |
| 23. | 34.40 | Somerset School District / 7,901 |
| 24. | 34.60 | Kenosha School District / 126,607 |
| 24. | 34.60 | Thorp School District / 4,323 |
| 26. | 34.70 | Johnson Creek School District / 4,249 |
| 26. | 34.70 | New Richmond School District / 16,547 |
| 28. | 34.80 | Fennimore Community School District / 4,817 |
| 29. | 34.90 | Little Chute Area School District / 8,233 |
| 29. | 34.90 | Oshkosh Area School District / 79,118 |
| 31. | 35.00 | Colby School District / 7,006 |
| 32. | 35.30 | De Pere Unified School District / 19,564 |
| 33. | 35.40 | Green Bay Area School District / 135,804 |
| 34. | 35.50 | Kimberly Area School District / 25,126 |
| 35. | 35.60 | Owen-Withee School District / 4,309 |
| 36. | 35.80 | Granton Area School District / 2,053 |
| 37. | 35.90 | Holmen School District / 18,459 |
| 37. | 35.90 | Appleton Area School District / 94,043 |
| 39. | 36.00 | Clayton School District / 1,869 |
| 39. | 36.00 | Stanley-Boyd Area School District / 7,357 |
| 41. | 36.20 | Evansville Community School District / 9,558 |
| 41. | 36.20 | Menasha School District / 24,781 |
| 41. | 36.20 | Deerfield Community School District / 3,491 |
| 44. | 36.30 | Augusta School District / 4,337 |
| 44. | 36.30 | Cedar Grove-Belgium Area School District / 5,783 |
| 46. | 36.40 | Silver Lake Joint No. 1 School District / 4,377 |
| 46. | 36.40 | Wrightstown Community School District / 6,578 |
| 48. | 36.50 | DeForest Area School District / 19,602 |
| 48. | 36.50 | Athens School District / 4,075 |
| 48. | 36.50 | Hudson School District / 29,328 |
| 48. | 36.50 | Marshall School District / 5,944 |
| 52. | 36.60 | Delavan-Darien School District / 17,275 |
| 53. | 36.70 | Hartford Joint No. 1 School District / 17,076 |
| 54. | 36.80 | Sharon Joint No. 11 School District / 1,805 |
| 54. | 36.80 | Prescott School District / 7,900 |
| 54. | 36.80 | Spring Valley School District / 4,204 |
| 54. | 36.80 | Hartland-Lakeside Joint No. 3 School District / 11,458 |
| 58. | 36.90 | Baldwin-Woodville Area School District / 8,308 |
| 58. | 36.90 | Kaukauna Area School District / 21,908 |
| 58. | 36.90 | Bowler School District / 2,473 |
| 61. | 37.00 | Greenwood School District / 3,458 |
| 61. | 37.00 | Waukesha School District / 92,894 |
| 61. | 37.00 | Norwalk-Ontario-Wilton School District / 2,978 |
| 61. | 37.00 | D.C. Everest Area School District / 32,767 |
| 61. | 37.00 | Belmont Community School District / 2,131 |
| 66. | 37.10 | Watertown School District / 30,463 |
| 66. | 37.10 | Spencer School District / 4,143 |
| 68. | 37.20 | Janesville School District / 63,176 |
| 68. | 37.20 | Seymour Community School District / 13,414 |
| 70. | 37.30 | Racine School District / 139,222 |
| 70. | 37.30 | Elkhorn Area School District / 17,637 |
| 72. | 37.40 | Barneveld School District / 2,260 |
| 72. | 37.40 | Elk Mound Area School District / 4,354 |
| 74. | 37.50 | Freedom Area School District / 8,598 |
| 75. | 37.60 | Waupun School District / 19,499 |
| 75. | 37.60 | Hortonville School District / 18,209 |
| 77. | 37.70 | Trevor-Wilmot Consolidated School District / 4,123 |
| 78. | 37.90 | Oostburg School District / 6,059 |
| 78. | 37.90 | Ashland School District / 12,362 |
| 78. | 37.90 | Linn Joint No. 4 School District / 1,019 |
| 78. | 37.90 | Superior School District / 33,535 |
| 82. | 38.00 | Shorewood School District / 13,144 |
| 82. | 38.00 | Whitehall School District / 5,077 |
| 82. | 38.00 | Horicon School District / 5,713 |
| 82. | 38.00 | Edgar School District / 3,590 |
| 86. | 38.10 | Howard-Suamico School District / 27,407 |
| 86. | 38.10 | Lena School District / 2,569 |
| 86. | 38.10 | West Salem School District / 9,675 |
| 86. | 38.10 | Independence School District / 2,474 |
| 90. | 38.20 | Oak Creek-Franklin School District / 37,010 |
| 90. | 38.20 | Fond du Lac School District / 52,114 |
| 90. | 38.20 | Mount Horeb Area School District / 12,017 |
| 90. | 38.20 | Juda School District / 1,386 |
| 90. | 38.20 | Altoona School District / 8,822 |
| 95. | 38.30 | Cameron School District / 4,503 |
| 95. | 38.30 | Salem School District / 8,288 |
| 95. | 38.30 | Middleton-Cross Plains School District / 36,520 |
| 95. | 38.30 | Port Washington-Saukville School District / 17,054 |
| 99. | 38.40 | Milton School District / 18,648 |
| 99. | 38.40 | Sheboygan Area School District / 61,243 |
| 99. | 38.40 | Abbotsford School District / 3,328 |
| 99. | 38.40 | Boyceville Community School District / 4,675 |
| 99. | 38.40 | Cadott Community School District / 4,863 |
| 99. | 38.40 | Glenwood City School District / 3,829 |
| 105. | 38.50 | Lomira School District / 6,260 |
| 105. | 38.50 | Waterford Joint No. 1 School District / 13,922 |
| 105. | 38.50 | Stratford School District / 4,921 |
| 105. | 38.50 | Osceola School District / 9,068 |
| 105. | 38.50 | Franklin Public School District / 28,331 |
| 110. | 38.60 | La Farge School District / 1,967 |
| 110. | 38.60 | Dodgeland School District / 6,130 |
| 110. | 38.60 | Tomah Area School District / 19,552 |
| 113. | 38.70 | Merton Community School District / 6,263 |
| 113. | 38.70 | Plum City School District / 1,678 |
| 113. | 38.70 | Markesan School District / 6,457 |
| 113. | 38.70 | West Allis School District / 68,122 |
| 117. | 38.80 | Brillion School District / 5,516 |
| 117. | 38.80 | Neenah School District / 42,836 |
| 117. | 38.80 | Royall School District / 5,173 |
| 120. | 38.90 | Melrose-Mindoro School District / 4,044 |
| 121. | 39.00 | Onalaska School District / 16,929 |
| 121. | 39.00 | Belleville School District / 5,059 |
| 121. | 39.00 | Gilmanton School District / 1,281 |
| 124. | 39.10 | Westby Area School District / 7,858 |
| 124. | 39.10 | Almond-Bancroft School District / 2,620 |
| 124. | 39.10 | Elmwood School District / 2,094 |
| 124. | 39.10 | Waterford Union High School District / 18,533 |
| 124. | 39.10 | Reedsburg School District / 16,395 |
| 124. | 39.10 | Baraboo School District / 19,864 |
| 124. | 39.10 | Norway Joint No. 7 School District / 2,042 |
| 131. | 39.20 | West Bend School District / 50,925 |
| 131. | 39.20 | Union Grove Joint No. 1 School District / 5,418 |
| 131. | 39.20 | Denmark School District / 8,330 |
| 131. | 39.20 | Luxemburg-Casco School District / 11,024 |
| 131. | 39.20 | Shullsburg School District / 2,220 |
| 136. | 39.30 | Rosendale-Brandon School District / 5,551 |
| 136. | 39.30 | Portage Community School District / 17,337 |
| 136. | 39.30 | Arcadia School District / 5,619 |
| 136. | 39.30 | Palmyra-Eagle Area School District / 7,126 |
| 140. | 39.40 | St. Croix Falls School District / 6,794 |
| 140. | 39.40 | Hilbert School District / 2,890 |
| 140. | 39.40 | Wausau School District / 54,046 |
| 140. | 39.40 | Lake Geneva-Genoa City Union High School District / 24,206 |
| 140. | 39.40 | Tomorrow River School District / 5,058 |
| 140. | 39.40 | Waunakee Community School District / 17,713 |
| 140. | 39.40 | Brodhead School District / 6,479 |
| 147. | 39.50 | Mineral Point School District / 4,690 |
| 147. | 39.50 | Shell Lake School District / 3,771 |
| 147. | 39.50 | Mayville School District / 8,114 |
| 147. | 39.50 | Clintonville School District / 10,157 |
| 151. | 39.60 | Colfax School District / 4,626 |
| 151. | 39.60 | Blair-Taylor School District / 4,244 |
| 151. | 39.60 | Beaver Dam School District / 22,545 |
| 154. | 39.70 | Sauk Prairie School District / 15,286 |
| 154. | 39.70 | Chippewa Falls Area School District / 32,544 |
| 154. | 39.70 | Oregon School District / 19,339 |
| 154. | 39.70 | Swallow School District / 3,248 |
| 158. | 39.80 | Wilmot Union High School District / 19,162 |
| 158. | 39.80 | Fort Atkinson School District / 18,262 |
| 158. | 39.80 | Cambria-Friesland School District / 2,260 |
| 161. | 39.90 | Twin Lakes No. 4 School District / 3,242 |
| 161. | 39.90 | Wauwatosa School District / 46,179 |
| 161. | 39.90 | Big Foot Union High School District / 9,267 |
| 161. | 39.90 | Plymouth School District / 17,054 |
| 161. | 39.90 | Southwestern Wisconsin School District / 4,043 |
| 161. | 39.90 | Fall River School District / 2,876 |
| 167. | 40.00 | Lake Mills Area School District / 9,137 |
| 167. | 40.00 | Barron Area School District / 9,413 |
| 167. | 40.00 | Ripon Area School District / 10,589 |
| 167. | 40.00 | Auburndale School District / 4,487 |
| 167. | 40.00 | Valders Area School District / 6,918 |
| 167. | 40.00 | Arrowhead Union High School District / 33,537 |
| 167. | 40.00 | Highland School District / 1,782 |
| 174. | 40.10 | Dodgeville School District / 8,093 |
| 174. | 40.10 | Ashwaubenon School District / 16,570 |
| 174. | 40.10 | Bangor School District / 3,784 |
| 174. | 40.10 | Wittenberg-Birnamwood School District / 7,763 |
| 174. | 40.10 | Pardeeville Area School District / 6,848 |
| 174. | 40.10 | Monona Grove School District / 16,930 |
| 174. | 40.10 | Pulaski Community School District / 19,549 |
| 174. | 40.10 | Oconto School District / 7,409 |
| 174. | 40.10 | Marshfield School District / 27,627 |
| 174. | 40.10 | Ellsworth Community School District / 11,129 |
| 174. | 40.10 | Sparta Area School District / 16,928 |
| 174. | 40.10 | Hartford Union High School District / 31,194 |
| 186. | 40.20 | Bloomer School District / 7,137 |
| 186. | 40.20 | Germantown School District / 25,327 |
| 186. | 40.20 | Whitefish Bay School District / 13,988 |
| 186. | 40.20 | Cudahy School District / 18,127 |
| 186. | 40.20 | Fall Creek School District / 3,993 |
| 186. | 40.20 | Howards Grove School District / 5,764 |
| 192. | 40.30 | Kewaskum School District / 13,738 |
| 192. | 40.30 | New Glarus School District / 4,360 |
| 192. | 40.30 | Reedsville School District / 4,662 |
| 192. | 40.30 | Marathon City School District / 4,710 |
| 192. | 40.30 | Jefferson School District / 13,297 |
| 192. | 40.30 | Shiocton School District / 4,158 |
| 192. | 40.30 | Wonewoc-Union Center School District / 3,268 |
| 199. | 40.40 | Lodi School District / 9,515 |
| 199. | 40.40 | Hamilton School District / 25,545 |
| 199. | 40.40 | Westosha Central High School District / 18,453 |
| 199. | 40.40 | Boscobel Area School District / 5,664 |
| 199. | 40.40 | Chilton School District / 7,054 |
| 199. | 40.40 | Clear Lake School District / 3,290 |
| 199. | 40.40 | Oconto Falls School District / 11,042 |
| 199. | 40.40 | South Milwaukee School District / 20,971 |
| 199. | 40.40 | Bonduel School District / 6,720 |
| 208. | 40.50 | Rubicon Joint No. 6 School District / 1,095 |
| 208. | 40.50 | Black River Falls School District / 12,027 |
| 208. | 40.50 | North Fond du Lac School District / 7,732 |
| 211. | 40.60 | Iowa-Grant School District / 4,056 |
| 212. | 40.70 | Medford Area School District / 14,466 |
| 212. | 40.70 | Mondovi School District / 5,904 |
| 212. | 40.70 | Clinton Community School District / 5,720 |
| 212. | 40.70 | Richmond School District / 2,658 |
| 212. | 40.70 | Lake Geneva Joint No. 1 School District / 17,187 |
| 217. | 40.90 | Poynette School District / 6,309 |
| 217. | 40.90 | Mosinee School District / 12,002 |
| 217. | 40.90 | Columbus School District / 7,688 |
| 217. | 40.90 | Northern Ozaukee School District / 5,679 |
| 221. | 41.00 | Edgerton School District / 11,316 |
| 221. | 41.00 | Mukwonago School District / 28,227 |
| 221. | 41.00 | Burlington Area School District / 22,910 |
| 221. | 41.00 | Eleva-Strum School District / 3,623 |
| 221. | 41.00 | Ithaca School District / 1,825 |
| 226. | 41.10 | Merrill Area School District / 20,993 |
| 227. | 41.20 | Random Lake School District / 6,253 |
| 227. | 41.20 | Seneca School District / 1,881 |
| 227. | 41.20 | Flambeau School District / 3,661 |
| 227. | 41.20 | Wheatland Joint No. 1 School District / 4,369 |
| 231. | 41.30 | Alma Center School District / 3,144 |
| 231. | 41.30 | Washington-Caldwell School District / 1,795 |
| 231. | 41.30 | Grafton School District / 13,377 |
| 231. | 41.30 | Bristol No. 1 School District / 4,480 |
| 235. | 41.40 | Sheboygan Falls School District / 11,176 |
| 235. | 41.40 | Name N/A / 211,008 |
| 235. | 41.40 | Stoughton Area School District / 20,975 |
| 238. | 41.60 | Kiel Area School District / 8,553 |
| 238. | 41.60 | Waterloo School District / 5,544 |
| 238. | 41.60 | Potosi School District / 2,391 |
| 241. | 41.70 | Oconomowoc Area School District / 32,215 |
| 241. | 41.70 | Paris Joint No. 1 School District / 1,838 |
| 241. | 41.70 | Durand School District / 7,399 |
| 241. | 41.70 | Brown Deer School District / 11,867 |
| 241. | 41.70 | New London School District / 15,575 |
| 241. | 41.70 | Darlington Community School District / 4,799 |
| 241. | 41.70 | Slinger School District / 15,579 |
| 248. | 41.80 | Prairie du Chien Area School District / 8,592 |
| 248. | 41.80 | Benton School District / 1,644 |
| 248. | 41.80 | Monticello School District / 2,435 |
| 251. | 41.90 | Manawa School District / 4,903 |
| 251. | 41.90 | Randall Joint No. 1 School District / 5,488 |
| 251. | 41.90 | St. Francis School District / 9,167 |
| 254. | 42.00 | Wauzeka-Steuben School District / 1,683 |
| 254. | 42.00 | Union Grove Union High School District / 13,069 |
| 254. | 42.00 | Wisconsin Heights School District / 5,719 |
| 257. | 42.10 | East Troy Community School District / 11,586 |
| 257. | 42.10 | Dover No. 1 School District / 1,839 |
| 257. | 42.10 | Muskego-Norway School District / 28,468 |
| 257. | 42.10 | Cuba City School District / 4,773 |
| 257. | 42.10 | Kohler School District / 2,248 |
| 257. | 42.10 | Gillett School District / 4,212 |
| 263. | 42.20 | Albany School District / 2,850 |
| 263. | 42.20 | Port Edwards School District / 4,036 |
| 263. | 42.20 | Herman No. 22 School District / 1,587 |
| 266. | 42.30 | Manitowoc School District / 40,014 |
| 266. | 42.30 | Menomonee Falls School District / 28,279 |
| 268. | 42.40 | Galesville-Ettrick-Trempealeau School District / 8,313 |
| 269. | 42.50 | Marion School District / 3,938 |
| 269. | 42.50 | Hustisford School District / 3,159 |
| 269. | 42.50 | River Valley School District / 9,380 |
| 272. | 42.60 | Lancaster Community School District / 6,123 |
| 272. | 42.60 | Lac du Flambeau No. 1 School District / 3,417 |
| 272. | 42.60 | Maple School District / 7,545 |
| 272. | 42.60 | Niagara School District / 2,363 |
| 272. | 42.60 | Monroe School District / 15,877 |
| 277. | 42.70 | Rio Community School District / 3,029 |
| 277. | 42.70 | Viroqua Area School District / 8,906 |
| 277. | 42.70 | Stockbridge School District / 1,993 |
| 280. | 42.80 | Richland School District / 11,553 |
| 280. | 42.80 | Antigo School District / 17,964 |
| 282. | 42.90 | Bayfield School District / 2,491 |
| 282. | 42.90 | Mauston School District / 10,399 |
| 282. | 42.90 | Osseo-Fairchild School District / 5,441 |
| 282. | 42.90 | New Auburn School District / 1,747 |
| 282. | 42.90 | Parkview School District / 5,889 |
| 287. | 43.00 | Rice Lake Area School District / 16,346 |
| 287. | 43.00 | Mishicot School District / 5,983 |
| 289. | 43.10 | Raymond No. 14 School District / 3,140 |
| 289. | 43.10 | Cedarburg School District / 19,856 |
| 289. | 43.10 | Lake Country School District / 4,636 |
| 289. | 43.10 | Omro School District / 7,445 |
| 289. | 43.10 | Wisconsin Rapids School District / 34,227 |
| 294. | 43.20 | McFarland School District / 9,880 |
| 294. | 43.20 | Oakfield School District / 3,301 |
| 296. | 43.30 | Coleman School District / 4,904 |
| 296. | 43.30 | Pittsville School District / 3,930 |
| 296. | 43.30 | Friess Lake School District / 2,447 |
| 296. | 43.30 | Marinette School District / 15,486 |
| 296. | 43.30 | Campbellsport School District / 10,873 |
| 296. | 43.30 | Kettle Moraine School District / 24,690 |
| 302. | 43.40 | Ladysmith-Hawkins School District / 6,026 |
| 302. | 43.40 | Black Hawk School District / 2,687 |
| 302. | 43.40 | Southern Door County School District / 8,290 |
| 302. | 43.40 | Wisconsin Dells School District / 11,641 |
| 306. | 43.50 | New Holstein School District / 8,839 |
| 306. | 43.50 | Berlin Area School District / 10,728 |
| 306. | 43.50 | Whitnall School District / 17,286 |
| 306. | 43.50 | Sturgeon Bay School District / 8,698 |
| 310. | 43.60 | Weston School District / 2,202 |
| 310. | 43.60 | Cassville School District / 2,099 |
| 312. | 43.70 | New Berlin School District / 34,833 |
| 312. | 43.70 | Pewaukee School District / 16,268 |
| 314. | 43.80 | Wautoma Area School District / 11,232 |
| 314. | 43.80 | Iola-Scandinavia School District / 4,784 |
| 314. | 43.80 | Argyle School District / 1,939 |
| 314. | 43.80 | Pecatonica Area School District / 2,554 |
| 314. | 43.80 | Neillsville School District / 7,039 |
| 314. | 43.80 | Kewaunee School District / 6,891 |
| 314. | 43.80 | Algoma School District / 5,276 |
| 321. | 43.90 | Riverdale School District / 4,954 |
| 321. | 43.90 | Weyauwega-Fremont School District / 7,249 |
| 321. | 43.90 | Hayward Community School District / 13,613 |
| 324. | 44.00 | Cornell School District / 2,742 |
| 324. | 44.00 | Cumberland School District / 5,960 |
| 326. | 44.10 | New Lisbon School District / 5,234 |
| 326. | 44.10 | Greenfield School District / 28,183 |
| 328. | 44.20 | River Ridge School District / 3,697 |
| 328. | 44.20 | Amery School District / 9,888 |
| 328. | 44.20 | Grantsburg School District / 4,916 |
| 328. | 44.20 | Unity School District / 7,077 |
| 332. | 44.30 | Erin School District / 2,564 |
| 332. | 44.30 | North Cape School District / 774 |
| 332. | 44.30 | Necedah Area School District / 4,642 |
| 332. | 44.30 | Crandon School District / 5,888 |
| 332. | 44.30 | Princeton School District / 3,192 |
| 332. | 44.30 | Kickapoo Area School District / 2,603 |
| 332. | 44.30 | Shawano School District / 17,505 |
| 339. | 44.40 | Gresham School District / 1,801 |
| 339. | 44.40 | North Lake School District / 2,674 |
| 339. | 44.40 | Prentice School District / 3,002 |
| 339. | 44.40 | Beloit Turner School District / 8,683 |
| 339. | 44.40 | Prairie Farm School District / 1,617 |
| 344. | 44.50 | Yorkville Joint No. 2 School District / 2,642 |
| 344. | 44.50 | Rosholt School District / 3,785 |
| 346. | 44.60 | Richfield Joint No. 1 School District / 4,515 |
| 347. | 44.70 | Tri-County Area School District / 3,959 |
| 347. | 44.70 | Rib Lake School District / 2,618 |
| 349. | 44.90 | Rhinelander School District / 20,486 |
| 349. | 44.90 | Neosho Joint No. 3 School District / 1,910 |
| 351. | 45.10 | Turtle Lake School District / 3,458 |
| 352. | 45.20 | Stone Bank School District / 2,600 |
| 352. | 45.20 | Fox Point Joint No. 2 School District / 10,910 |
| 354. | 45.30 | Greendale School District / 13,980 |
| 354. | 45.30 | Waupaca School District / 15,844 |
| 354. | 45.30 | Williams Bay School District / 3,161 |
| 357. | 45.40 | Solon Springs School District / 2,217 |
| 357. | 45.40 | Woodruff Joint No. 1 School District / 5,191 |
| 357. | 45.40 | Two Rivers School District / 13,110 |
| 360. | 45.50 | Frederic School District / 3,881 |
| 360. | 45.50 | Mellen School District / 2,026 |
| 360. | 45.50 | Butternut School District / 1,242 |
| 360. | 45.50 | North Crawford School District / 2,892 |
| 360. | 45.50 | Brighton No. 1 School District / 1,440 |
| 360. | 45.50 | Cochrane-Fountain City School District / 4,471 |
| 366. | 45.60 | Elmbrook School District / 44,865 |
| 366. | 45.60 | Chetek School District / 6,875 |
| 366. | 45.60 | Elkhart Lake-Glenbeulah School District / 3,775 |
| 369. | 45.70 | Luck School District / 3,641 |
| 369. | 45.70 | Mequon-Thiensville School District / 26,398 |
| 369. | 45.70 | Gilman School District / 3,081 |
| 372. | 45.90 | Washburn School District / 4,137 |
| 373. | 46.10 | Adams-Friendship Area School District / 14,801 |
| 373. | 46.10 | Winneconne Community School District / 8,825 |
| 375. | 46.20 | Tigerton School District / 1,822 |
| 376. | 46.30 | Westfield School District / 9,326 |
| 376. | 46.30 | Siren School District / 2,828 |
| 376. | 46.30 | Linn Joint No. 6 School District / 956 |
| 376. | 46.30 | Cambridge School District / 5,760 |
| 376. | 46.30 | Bruce School District / 3,834 |
| 381. | 46.90 | Fontana Joint No. 8 School District / 2,591 |
| 381. | 46.90 | Randolph School District / 3,869 |
| 381. | 46.90 | Nicolet Union High School District / 25,349 |
| 384. | 47.00 | Maple Dale-Indian Hill School District / 1,811 |
| 385. | 47.20 | Peshtigo School District / 6,331 |
| 386. | 47.30 | Alma School District / 1,690 |
| 386. | 47.30 | Florence School District / 4,587 |
| 388. | 47.60 | Laona School District / 1,460 |
| 389. | 47.70 | Wausaukee School District / 4,439 |
| 389. | 47.70 | Hurley School District / 3,948 |
| 391. | 48.10 | Glendale-River Hills School District / 12,628 |
| 391. | 48.10 | Pepin Area School District / 2,139 |
| 391. | 48.10 | Nekoosa School District / 9,383 |
| 394. | 48.40 | Tomahawk School District / 10,005 |
| 395. | 48.50 | Montello School District / 6,175 |
| 396. | 48.60 | Phillips School District / 6,060 |
| 397. | 48.70 | Chequamegon School District / 6,936 |
| 398. | 48.90 | Three Lakes School District / 4,720 |
| 399. | 49.30 | Wild Rose School District / 5,113 |
| 399. | 49.30 | De Soto Area School District / 4,152 |
| 399. | 49.30 | Lake Holcombe School District / 2,459 |
| 399. | 49.30 | Crivitz School District / 5,710 |
| 403. | 49.40 | Weyerhaeuser Area School District / 1,366 |
| 403. | 49.40 | Spooner Area School District / 10,240 |
| 405. | 49.60 | Lakeland Union High School District / 18,238 |
| 405. | 49.60 | Goodman-Armstrong School District / 1,011 |
| 407. | 50.40 | Northwood School District / 3,237 |
| 408. | 50.50 | South Shore School District / 1,767 |
| 408. | 50.50 | Northland Pines School District / 11,119 |
| 410. | 50.70 | Geneva Joint No. 4 School District / 1,080 |
| 411. | 50.80 | White Lake School District / 1,400 |
| 412. | 50.90 | Webster School District / 5,930 |
| 413. | 51.20 | Winter School District / 2,779 |
| 414. | 51.40 | Sevastopol School District / 4,817 |
| 415. | 51.50 | Green Lake School District / 2,839 |
| 416. | 51.60 | Wabeno Area School District / 3,935 |
| 416. | 51.60 | Suring School District / 3,811 |
| 418. | 51.80 | Drummond Area School District / 4,691 |
| 419. | 52.10 | Mercer School District / 1,782 |
| 420. | 52.50 | Phelps School District / 1,382 |
| 421. | 52.90 | Minocqua Joint No. 1 School District / 6,888 |
| 422. | 53.70 | Birchwood School District / 1,873 |
| 423. | 54.00 | Elcho School District / 3,366 |
| 424. | 57.80 | Gibraltar Area School District / 5,460 |
| 425. | 58.50 | North Lakeland School District / 2,742 |
| 426. | 62.00 | Washington School District / 694 |
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.
*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.
