| Rank | Median Age ▲ | School District / Population |
| 1. | 23.00 | Moniteau County R-V School District / 1,231 |
| 2. | 23.50 | Tri-County R-VII School District / 2,286 |
| 3. | 23.60 | Knob Noster R-VIII School District / 9,265 |
| 4. | 23.80 | Waynesville R-VI Schools / 38,179 |
| 5. | 24.20 | Maryville R-II Schools / 15,853 |
| 6. | 25.70 | Mirabile C-1 School District / 594 |
| 7. | 25.80 | Warrensburg R-VI School District / 26,234 |
| 8. | 26.70 | Kirksville R-III School District / 21,743 |
| 8. | 26.70 | Middle Grove C-1 School District / 659 |
| 10. | 27.80 | Seymour R-II School District / 7,344 |
| 11. | 27.90 | Canton School District / 4,193 |
| 12. | 28.40 | Columbia Public Schools / 140,874 |
| 13. | 30.60 | Rolla 31 School District / 31,120 |
| 14. | 30.80 | Clayton School District / 19,044 |
| 15. | 31.80 | High Point R-III School District / 809 |
| 16. | 32.00 | New Haven School District / 2,698 |
| 17. | 32.10 | Luray 33 School District / 447 |
| 18. | 32.20 | Riverview Gardens School District / 38,910 |
| 19. | 32.60 | Meadville R-IV School District / 1,293 |
| 19. | 32.60 | Livingston County R-III School District / 811 |
| 21. | 32.80 | Dunklin R-V School District / 10,526 |
| 22. | 32.90 | Cape Girardeau 63 School District / 39,078 |
| 22. | 32.90 | Hickman Mills C-1 School District / 49,942 |
| 24. | 33.20 | Cooter R-IV School District / 945 |
| 25. | 33.40 | Grain Valley R-V School District / 18,071 |
| 25. | 33.40 | Jennings School District / 17,319 |
| 27. | 33.50 | Leopold R-III School District / 1,040 |
| 28. | 33.60 | Norwood R-I School District / 2,266 |
| 29. | 33.70 | Avilla R-XIII School District / 1,361 |
| 30. | 33.90 | La Monte R-IV School District / 2,122 |
| 31. | 34.00 | Troy R-III School District / 33,827 |
| 32. | 34.10 | Verona R-VII School District / 2,312 |
| 32. | 34.10 | Crystal City 47 School District / 3,926 |
| 34. | 34.20 | Webb City R-VII School District / 21,707 |
| 34. | 34.20 | Prairie Home R-V School District / 1,490 |
| 36. | 34.30 | Kansas City School District / 190,221 |
| 36. | 34.30 | Crocker School District / 2,755 |
| 38. | 34.40 | Monett R-I School District / 12,327 |
| 38. | 34.40 | St. Louis City School District / 318,727 |
| 40. | 34.50 | Wentzville R-IV School District / 75,717 |
| 40. | 34.50 | Jefferson C-123 School District / 1,068 |
| 42. | 34.70 | Springfield School District / 209,858 |
| 43. | 34.80 | Clever R-V School District / 6,079 |
| 43. | 34.80 | Marshall School District / 15,231 |
| 45. | 35.00 | Fayette R-III School District / 4,739 |
| 45. | 35.00 | Bolivar R-I School District / 15,916 |
| 47. | 35.10 | St. Charles R-VI School District / 54,075 |
| 47. | 35.10 | Carl Junction R-I School District / 16,312 |
| 49. | 35.30 | Scott City R-I School District / 5,373 |
| 50. | 35.40 | Liberty Schools / 55,801 |
| 50. | 35.40 | Northeast Randolph County R-IV School District / 2,255 |
| 50. | 35.40 | Neelyville R-IV School District / 4,558 |
| 53. | 35.50 | New Bloomfield R-III School District / 4,415 |
| 53. | 35.50 | Belton 124 School District / 26,544 |
| 55. | 35.60 | Willard School District / 23,271 |
| 55. | 35.60 | North Wood R-IV School District / 2,212 |
| 55. | 35.60 | Gorin R-III School District / 440 |
| 55. | 35.60 | Platte County R-III School District / 23,782 |
| 59. | 35.70 | Fort Osage R-I School District / 25,223 |
| 60. | 35.80 | North Andrew County R-VI School District / 2,019 |
| 61. | 35.90 | Iberia R-V School District / 4,409 |
| 61. | 35.90 | Shelby County C-1 School District / 2,405 |
| 63. | 36.00 | St. Joseph School District / 80,779 |
| 63. | 36.00 | Osage County R-II School District / 5,351 |
| 65. | 36.10 | Normandy School District / 36,250 |
| 65. | 36.10 | West St. Francis County R-IV School District / 5,560 |
| 65. | 36.10 | Exeter R-VI School District / 1,890 |
| 65. | 36.10 | Republic School District / 23,262 |
| 65. | 36.10 | Brentwood School District / 8,163 |
| 70. | 36.20 | Fulton School District / 18,457 |
| 70. | 36.20 | Valley Park School District / 8,834 |
| 70. | 36.20 | South Pemiscot Schools / 3,479 |
| 73. | 36.30 | Carthage R-IX School District / 23,386 |
| 73. | 36.30 | Joplin R-VIII School District / 58,867 |
| 73. | 36.30 | East Prairie R-II School District / 5,763 |
| 76. | 36.40 | Oak Grove R-VI School District / 10,963 |
| 76. | 36.40 | Sullivan School District / 10,903 |
| 76. | 36.40 | Kirbyville R-VI School District / 3,183 |
| 79. | 36.50 | Hayti R-II School District / 3,750 |
| 79. | 36.50 | Sunrise R-IX School District / 3,527 |
| 81. | 36.60 | Sedalia 200 School District / 29,885 |
| 81. | 36.60 | Pike County R-III School District / 3,027 |
| 81. | 36.60 | Hollister R-V School District / 10,463 |
| 81. | 36.60 | Ozark R-VI School District / 30,251 |
| 85. | 36.70 | Windsor C-1 School District / 17,708 |
| 85. | 36.70 | Grandview C-4 School District / 32,621 |
| 87. | 36.80 | Senath-Hornersville C-8 School District / 4,750 |
| 87. | 36.80 | Central R-III School District / 11,161 |
| 87. | 36.80 | West Plains R-VII School District / 13,151 |
| 87. | 36.80 | North Kansas City School District / 124,553 |
| 87. | 36.80 | Ritenour School District / 43,492 |
| 92. | 36.90 | North Pemiscot County R-I School District / 1,752 |
| 92. | 36.90 | Richards R-V School District / 3,702 |
| 92. | 36.90 | Plato R-V School District / 4,101 |
| 92. | 36.90 | Nixa School District / 29,197 |
| 92. | 36.90 | Maplewood-Richmond Heights School District / 13,952 |
| 97. | 37.00 | McDonald County R-I School District / 18,781 |
| 97. | 37.00 | Jefferson City Public Schools / 72,497 |
| 97. | 37.00 | Richwoods R-VII School District / 2,031 |
| 100. | 37.10 | Fox C-6 School District / 69,202 |
| 100. | 37.10 | Ferguson-Florissant School District / 69,767 |
| 100. | 37.10 | Lee's Summit R-7 School District / 93,470 |
| 103. | 37.20 | Milan C-2 School District / 3,810 |
| 104. | 37.30 | Cass County R-V School District / 3,420 |
| 104. | 37.30 | Moberly School District / 16,234 |
| 106. | 37.40 | Jackson R-II School District / 30,817 |
| 107. | 37.60 | Bronaugh R-VII School District / 1,529 |
| 107. | 37.60 | East Newton County R-VI School District / 9,581 |
| 107. | 37.60 | Park Hill School District / 64,635 |
| 107. | 37.60 | Excelsior Springs 40 School District / 17,918 |
| 111. | 37.70 | Howell Valley R-I School District / 2,176 |
| 111. | 37.70 | Blue Springs R-IV School District / 76,690 |
| 113. | 37.80 | East Carter County R-II School District / 4,031 |
| 113. | 37.80 | Hazelwood School District / 119,723 |
| 113. | 37.80 | Fair Grove R-10 School District / 6,147 |
| 113. | 37.80 | Sheldon R-VIII School District / 1,264 |
| 117. | 37.90 | Bowling Green R-I School District / 11,728 |
| 117. | 37.90 | Pattonsburg R-II School District / 1,236 |
| 117. | 37.90 | Licking School District / 6,588 |
| 117. | 37.90 | Harrisburg R-VIII School District / 3,638 |
| 121. | 38.00 | Caruthersville School District / 6,004 |
| 121. | 38.00 | Scott County R-IV School District / 6,061 |
| 121. | 38.00 | Odessa R-VII School District / 12,208 |
| 121. | 38.00 | Braymer C-4 School District / 1,882 |
| 121. | 38.00 | Pleasant Hope R-VI School District / 4,846 |
| 126. | 38.10 | Otterville R-VI School District / 1,729 |
| 126. | 38.10 | Kennett 39 School District / 11,138 |
| 126. | 38.10 | Kingston K-14 School District / 5,409 |
| 126. | 38.10 | Lebanon School District / 24,860 |
| 126. | 38.10 | Northwestern R-I School District / 1,319 |
| 131. | 38.20 | Fort Zumwalt R-II School District / 113,363 |
| 131. | 38.20 | University City School District / 35,831 |
| 131. | 38.20 | Union R-XI School District / 20,208 |
| 131. | 38.20 | Golden City School District / 1,661 |
| 131. | 38.20 | Neosho R-5 School District / 26,264 |
| 136. | 38.30 | Callao C-8 School District / 655 |
| 136. | 38.30 | Moniteau County R-I School District / 7,103 |
| 136. | 38.30 | St. Charles County R-V School District / 11,242 |
| 139. | 38.40 | Hale R-I School District / 943 |
| 140. | 38.50 | Cole County R-II School District / 6,364 |
| 140. | 38.50 | Green Ridge R-VIII School District / 2,068 |
| 140. | 38.50 | Bell City R-II School District / 1,410 |
| 140. | 38.50 | King City R-I School District / 1,967 |
| 144. | 38.60 | North St. Francis County R-I School District / 20,480 |
| 145. | 38.70 | Marquand-Zion School District / 1,395 |
| 145. | 38.70 | Portageville School District / 4,170 |
| 145. | 38.70 | Hardin-Central C-2 School District / 1,346 |
| 145. | 38.70 | Festus R-6 School District / 17,492 |
| 145. | 38.70 | Chadwick R-I School District / 1,477 |
| 150. | 38.80 | Southwest R-V School District / 4,596 |
| 150. | 38.80 | Raytown C-2 School District / 60,235 |
| 150. | 38.80 | Boone County R-IV School District / 7,478 |
| 153. | 38.90 | Pettis County R-V School District / 2,013 |
| 154. | 39.00 | Pleasant Hill R-III School District / 10,979 |
| 154. | 39.00 | Boonville School District / 11,510 |
| 156. | 39.10 | Altenburg 48 School District / 1,229 |
| 156. | 39.10 | Aurora R-8 School District / 11,036 |
| 156. | 39.10 | Farmington R-7 School District / 28,589 |
| 156. | 39.10 | Centralia R-VI School District / 7,460 |
| 156. | 39.10 | Crawford County R-2 School District / 9,724 |
| 156. | 39.10 | Meramec Valley R-III School District / 22,361 |
| 162. | 39.20 | Sparta R-III School District / 4,169 |
| 162. | 39.20 | Everton R-III School District / 1,431 |
| 162. | 39.20 | Cameron R-I School District / 13,314 |
| 162. | 39.20 | Hartville R-II School District / 4,680 |
| 166. | 39.30 | Bayless School District / 12,908 |
| 166. | 39.30 | Louisiana R-II School District / 4,255 |
| 166. | 39.30 | Willow Springs R-IV School District / 7,971 |
| 166. | 39.30 | Poplar Bluff R-I School District / 31,675 |
| 170. | 39.40 | Van-Far School District / 5,871 |
| 170. | 39.40 | Delta R-V School District / 2,127 |
| 170. | 39.40 | Lawson R-XIV School District / 5,677 |
| 170. | 39.40 | Lafayette County C-1 School District / 6,540 |
| 174. | 39.50 | Macon County R-I School District / 8,881 |
| 174. | 39.50 | Bunker R-III School District / 1,870 |
| 174. | 39.50 | South Harrison School District / 5,681 |
| 174. | 39.50 | Bernie School District / 3,142 |
| 174. | 39.50 | Affton School District / 26,513 |
| 174. | 39.50 | Hancock Place School District / 7,850 |
| 174. | 39.50 | Spokane R-VII School District / 5,473 |
| 174. | 39.50 | Scotland County R-I School District / 4,439 |
| 182. | 39.60 | Hannibal School District / 22,696 |
| 182. | 39.60 | Northeast Nodaway County R-V School District / 1,346 |
| 182. | 39.60 | Wright City R-II School District / 11,761 |
| 182. | 39.60 | East Buchanan County C-1 School District / 4,510 |
| 182. | 39.60 | Northwest R-I School District / 44,871 |
| 182. | 39.60 | Raymore-Peculiar R-II School District / 34,115 |
| 182. | 39.60 | Greene County R-VIII School District / 13,113 |
| 182. | 39.60 | Elsberry R-II School District / 4,790 |
| 190. | 39.70 | Sikeston School District / 20,851 |
| 190. | 39.70 | Strain-Japan R-XVI School District / 850 |
| 190. | 39.70 | Community R-VI School District / 2,163 |
| 190. | 39.70 | Richmond R-XVI School District / 9,983 |
| 190. | 39.70 | Davis R-XII School District / 513 |
| 190. | 39.70 | Maysville R-I School District / 3,934 |
| 190. | 39.70 | North Nodaway County R-VI School District / 1,235 |
| 190. | 39.70 | Perry County 32 School District / 17,601 |
| 190. | 39.70 | Branson R-IV School District / 27,382 |
| 190. | 39.70 | Scott County Central Schools / 2,003 |
| 200. | 39.80 | Harrisonville R-IX School District / 13,765 |
| 200. | 39.80 | Webster Groves School District / 32,139 |
| 202. | 39.90 | Francis Howell School District / 113,892 |
| 202. | 39.90 | Wellington-Napoleon R-IX School District / 2,833 |
| 202. | 39.90 | Clarksburg C-2 School District / 771 |
| 202. | 39.90 | Sturgeon R-V School District / 3,586 |
| 202. | 39.90 | Miami R-I School District / 1,235 |
| 202. | 39.90 | Liberal R-II School District / 2,818 |
| 202. | 39.90 | Hudson R-IX School District / 439 |
| 209. | 40.00 | Nevada R-V School District / 15,419 |
| 209. | 40.00 | Eldon R-I School District / 11,838 |
| 209. | 40.00 | Lathrop R-II School District / 4,975 |
| 209. | 40.00 | Warren County R-III School District / 18,577 |
| 213. | 40.10 | Walnut Grove R-V School District / 1,942 |
| 213. | 40.10 | Sherwood Cass R-VIII School District / 4,818 |
| 213. | 40.10 | Westran R-I School District / 3,489 |
| 216. | 40.20 | Halfway R-III School District / 2,252 |
| 216. | 40.20 | Charleston R-I School District / 8,513 |
| 216. | 40.20 | Center 58 School District / 25,951 |
| 216. | 40.20 | Macks Creek R-V School District / 2,940 |
| 220. | 40.30 | Marion County Early R-V School District / 4,529 |
| 220. | 40.30 | Adrian County R-III School District / 4,237 |
| 220. | 40.30 | Marshfield R-I School District / 16,676 |
| 223. | 40.40 | Hurley R-I School District / 1,851 |
| 223. | 40.40 | North Callaway R-I School District / 6,941 |
| 225. | 40.50 | Hickory County R-I School District / 4,750 |
| 226. | 40.60 | Southland School District / 2,027 |
| 226. | 40.60 | Woodland R-IV School District / 5,825 |
| 226. | 40.60 | Wheaton R-III School District / 1,924 |
| 226. | 40.60 | Gideon School District / 1,660 |
| 226. | 40.60 | Atlanta C-3 Schools / 1,298 |
| 226. | 40.60 | Independence Public Schools / 94,640 |
| 226. | 40.60 | De Soto School District / 17,104 |
| 226. | 40.60 | Sarcoxie R-II School District / 3,256 |
| 234. | 40.70 | Mount Vernon R-V School District / 9,389 |
| 234. | 40.70 | Smithville School District / 11,942 |
| 234. | 40.70 | Schuyler County R-I School District / 4,530 |
| 234. | 40.70 | Pierce City R-VI School District / 4,574 |
| 234. | 40.70 | Seneca R-VII School District / 8,561 |
| 239. | 40.80 | Southern Boone County R-I School District / 8,679 |
| 239. | 40.80 | Newburg R-II School District / 2,956 |
| 239. | 40.80 | Moniteau County R-VI School District / 4,943 |
| 239. | 40.80 | Spring Bluff R-XV School District / 1,611 |
| 239. | 40.80 | Mexico 59 School District / 15,311 |
| 239. | 40.80 | North Mercer County R-III School District / 1,236 |
| 245. | 40.90 | Holden R-III School District / 9,127 |
| 245. | 40.90 | New York R-IV School District / 274 |
| 245. | 40.90 | Fordland R-III School District / 4,066 |
| 245. | 40.90 | Howard County R-II School District / 2,137 |
| 245. | 40.90 | Cole County R-V School District / 4,878 |
| 250. | 41.00 | Holliday C-2 School District / 426 |
| 250. | 41.00 | Clarkton C-4 School District / 1,916 |
| 252. | 41.10 | Hillsboro R-III School District / 21,234 |
| 252. | 41.10 | Osage County R-III School District / 6,559 |
| 252. | 41.10 | Gentry County R-II School District / 2,056 |
| 252. | 41.10 | Rockwood School District / 115,619 |
| 252. | 41.10 | Rich Hill R-IV School District / 2,477 |
| 257. | 41.20 | Miller R-II School District / 3,961 |
| 257. | 41.20 | Carrollton R-VII School District / 5,472 |
| 257. | 41.20 | North Daviess R-III School District / 838 |
| 257. | 41.20 | Laquey R-V School District / 3,722 |
| 261. | 41.30 | Breckenridge R-I School District / 510 |
| 262. | 41.40 | Jefferson County R-VII School District / 6,321 |
| 262. | 41.40 | Crawford County R-I School District / 6,525 |
| 262. | 41.40 | Scott County R-II School District / 3,581 |
| 262. | 41.40 | Diamond R-IV School District / 5,711 |
| 262. | 41.40 | Cole County R-I School District / 4,075 |
| 267. | 41.50 | Houston R-I School District / 5,959 |
| 267. | 41.50 | Kearney R-I School District / 18,686 |
| 267. | 41.50 | Dexter R-XI School District / 12,886 |
| 267. | 41.50 | Adair County R-II School District / 1,503 |
| 267. | 41.50 | Washington School District / 32,006 |
| 272. | 41.60 | Orrick R-XI School District / 1,706 |
| 272. | 41.60 | Higbee R-VIII School District / 1,385 |
| 272. | 41.60 | Palmyra R-I School District / 7,018 |
| 272. | 41.60 | Keytesville R-III School District / 1,249 |
| 272. | 41.60 | Thayer R-II School District / 3,773 |
| 277. | 41.70 | Doniphan R-I School District / 10,407 |
| 277. | 41.70 | Glenwood R-VIII School District / 2,404 |
| 277. | 41.70 | Malden R-I School District / 6,108 |
| 277. | 41.70 | Mountain Grove R-III School District / 9,031 |
| 281. | 41.80 | Purdy R-II School District / 3,332 |
| 281. | 41.80 | Mid-Buchanan County R-V School District / 4,657 |
| 281. | 41.80 | Holcomb R-III School District / 2,342 |
| 284. | 41.90 | Gilliam C-4 School District / 320 |
| 284. | 41.90 | Lamar R-I School District / 7,347 |
| 284. | 41.90 | Galena R-II School District / 4,092 |
| 287. | 42.00 | Henry County R-I School District / 4,319 |
| 287. | 42.00 | St. Clair R-XIII School District / 11,989 |
| 287. | 42.00 | Oran R-III School District / 2,226 |
| 287. | 42.00 | Stockton R-I School District / 7,347 |
| 287. | 42.00 | Kingston 42 School District / 508 |
| 292. | 42.10 | Nodaway-Holt R-VII School District / 1,608 |
| 292. | 42.10 | Camden County R-II School District / 3,158 |
| 292. | 42.10 | Mountain View-Birch Tree R-III School District / 7,127 |
| 292. | 42.10 | Potosi R-III School District / 12,440 |
| 292. | 42.10 | Marion County R-II School District / 1,363 |
| 292. | 42.10 | Clinton School District / 11,664 |
| 292. | 42.10 | Hume R-VIII School District / 757 |
| 299. | 42.20 | Laclede County C-5 School District / 3,838 |
| 299. | 42.20 | Oak Ridge R-VI School District / 1,979 |
| 299. | 42.20 | Dixon R-I School District / 5,815 |
| 299. | 42.20 | Ripley County R-III School District / 854 |
| 303. | 42.30 | Success R-VI School District / 1,302 |
| 303. | 42.30 | Laredo R-VII School District / 510 |
| 303. | 42.30 | St. James R-I School District / 9,790 |
| 303. | 42.30 | St. Elizabeth R-IV School District / 1,378 |
| 303. | 42.30 | Savannah R-III School District / 13,594 |
| 303. | 42.30 | Chillicothe R-II School District / 12,320 |
| 309. | 42.40 | Montgomery County R-II School District / 8,458 |
| 309. | 42.40 | Greenville R-II School District / 5,349 |
| 311. | 42.50 | Winfield School District / 9,988 |
| 312. | 42.60 | Richland R-I School District / 1,711 |
| 312. | 42.60 | Hamilton R-II School District / 3,543 |
| 314. | 42.70 | Trenton R-IX School District / 7,661 |
| 314. | 42.70 | West Nodaway County R-I School District / 1,773 |
| 314. | 42.70 | Valley R-VI School District / 3,194 |
| 317. | 42.80 | Laclede County R-I School District / 3,556 |
| 317. | 42.80 | Malta Bend R-V School District / 724 |
| 317. | 42.80 | Pilot Grove C-4 School District / 1,720 |
| 317. | 42.80 | Pattonville School District / 40,865 |
| 317. | 42.80 | Grandview R-II School District / 4,985 |
| 317. | 42.80 | Jasper County R-V School District / 2,792 |
| 323. | 42.90 | Salem R-80 School District / 6,952 |
| 323. | 42.90 | Polo R-VII School District / 2,194 |
| 323. | 42.90 | Drexel R-IV School District / 1,913 |
| 326. | 43.10 | Pemiscot County R-3 School District / 1,080 |
| 326. | 43.10 | Norborne R-VIII School District / 1,258 |
| 326. | 43.10 | Lonedell R-XIV School District / 3,576 |
| 326. | 43.10 | Adair County R-I School District / 2,182 |
| 326. | 43.10 | Kirkwood School District / 40,674 |
| 326. | 43.10 | Name N/A / 100,129 |
| 326. | 43.10 | Gasconade County R-II School District / 11,932 |
| 326. | 43.10 | Parkway School District / 142,809 |
| 334. | 43.20 | Shawnee R-III School District / 749 |
| 334. | 43.20 | Moniteau County C-1 School District / 1,317 |
| 336. | 43.30 | Buchanan County R-IV School District / 1,872 |
| 336. | 43.30 | Silex R-I School District / 2,359 |
| 336. | 43.30 | Winona R-III School District / 2,951 |
| 336. | 43.30 | Grundy County R-V School District / 985 |
| 336. | 43.30 | Steelville School District / 5,702 |
| 336. | 43.30 | Fredericktown R-I School District / 10,846 |
| 336. | 43.30 | Northeast Vernon County R-I School District / 1,902 |
| 336. | 43.30 | New Madrid County R-I School District / 9,242 |
| 344. | 43.40 | Lone Jack C-6 School District / 3,067 |
| 344. | 43.40 | Niangua R-V School District / 1,926 |
| 344. | 43.40 | Advance R-IV School District / 3,072 |
| 344. | 43.40 | Cowgill R-VI School District / 327 |
| 344. | 43.40 | South Iron County R-I School District / 2,166 |
| 349. | 43.50 | Miami R-I School District / 527 |
| 349. | 43.50 | Nell Holcomb R-IV School District / 3,090 |
| 349. | 43.50 | Leeton R-X School District / 2,050 |
| 349. | 43.50 | Madison C-3 School District / 1,514 |
| 353. | 43.60 | Concordia School District / 3,662 |
| 353. | 43.60 | Renick R-V School District / 1,436 |
| 353. | 43.60 | Ash Grove R-IV School District / 5,316 |
| 353. | 43.60 | Blackwater R-II School District / 963 |
| 357. | 43.70 | Strasburg C-3 School District / 981 |
| 357. | 43.70 | North Platte County R-I School District / 4,157 |
| 357. | 43.70 | Campbell R-II School District / 3,649 |
| 357. | 43.70 | Gallatin R-V School District / 3,274 |
| 361. | 43.80 | Kingsville R-I School District / 1,916 |
| 361. | 43.80 | Risco R-II School District / 637 |
| 361. | 43.80 | Ridgeway R-V School District / 817 |
| 361. | 43.80 | Albany R-III School District / 3,070 |
| 361. | 43.80 | Maries County R-I School District / 4,250 |
| 366. | 43.90 | Arcadia Valley R-II School District / 5,753 |
| 366. | 43.90 | Clark County R-I School District / 6,525 |
| 366. | 43.90 | Ralls County R-II School District / 5,333 |
| 369. | 44.00 | Ste. Genevieve County R-II School District / 14,939 |
| 370. | 44.10 | Morgan County R-II School District / 11,115 |
| 370. | 44.10 | Lewis County C-1 School District / 6,403 |
| 370. | 44.10 | Lockwood R-I School District / 2,433 |
| 370. | 44.10 | Dallas County R-I School District / 13,241 |
| 374. | 44.20 | Strafford R-VI School District / 6,452 |
| 374. | 44.20 | Mehlville School District / 97,611 |
| 374. | 44.20 | Slater School District / 2,316 |
| 374. | 44.20 | Eminence R-I School District / 1,880 |
| 374. | 44.20 | Butler R-V School District / 6,141 |
| 379. | 44.30 | Santa Fe R-X School District / 2,489 |
| 379. | 44.30 | Crane R-III School District / 3,788 |
| 381. | 44.40 | Bradleyville R-I School District / 988 |
| 381. | 44.40 | Van Buren R-I School District / 3,445 |
| 381. | 44.40 | Knox County R-I School District / 4,037 |
| 381. | 44.40 | Cole Camp R-I School District / 5,613 |
| 385. | 44.50 | Rock Port R-II School District / 2,269 |
| 385. | 44.50 | Bismarck R-V School District / 3,582 |
| 387. | 44.60 | Hardeman R-X School District / 541 |
| 388. | 44.70 | Puxico R-VIII School District / 4,567 |
| 388. | 44.70 | Clinton County R-III School District / 5,146 |
| 388. | 44.70 | Roscoe C-1 School District / 739 |
| 388. | 44.70 | Princeton R-V School District / 2,406 |
| 388. | 44.70 | Oak Hill R-I School District / 1,394 |
| 393. | 44.80 | Kelso C-7 School District / 2,019 |
| 393. | 44.80 | Bloomfield School District / 4,568 |
| 395. | 44.90 | Sweet Springs R-VII School District / 2,823 |
| 395. | 44.90 | Ladue School District / 27,557 |
| 395. | 44.90 | Taneyville R-II School District / 1,729 |
| 395. | 44.90 | Belleview R-III School District / 1,388 |
| 399. | 45.00 | Green City R-I School District / 1,852 |
| 399. | 45.00 | Osage County R-I School District / 1,329 |
| 399. | 45.00 | Linn County R-I School District / 1,572 |
| 399. | 45.00 | Pettis County R-XII School District / 1,101 |
| 399. | 45.00 | Marionville R-IX School District / 4,078 |
| 399. | 45.00 | Spickard R-II School District / 568 |
| 405. | 45.10 | South Callaway R-II Schools / 4,817 |
| 406. | 45.20 | Brookfield R-III School District / 6,183 |
| 406. | 45.20 | Stewartsville C-2 School District / 1,309 |
| 406. | 45.20 | Zalma R-V School District / 1,578 |
| 409. | 45.30 | New Franklin R-I School District / 2,930 |
| 409. | 45.30 | Meadow Heights R-II School District / 3,598 |
| 409. | 45.30 | Pulaski County R-IV School District / 3,773 |
| 409. | 45.30 | Bakersfield R-IV School District / 1,663 |
| 409. | 45.30 | Cabool School District / 5,600 |
| 414. | 45.40 | Skyline R-II School District / 1,276 |
| 414. | 45.40 | Junction Hill C-12 School District / 1,793 |
| 414. | 45.40 | East Lynne 40 School District / 1,239 |
| 417. | 45.50 | Maries County R-II School District / 4,890 |
| 417. | 45.50 | South Nodaway County R-IV School District / 952 |
| 417. | 45.50 | Franklin County R-II School District / 1,478 |
| 417. | 45.50 | Alton R-IV School District / 5,025 |
| 421. | 45.60 | Johnson County R-VII School District / 3,145 |
| 422. | 45.70 | Monroe City R-I School District / 4,895 |
| 422. | 45.70 | Holt County R-II School District / 1,816 |
| 424. | 45.80 | Billings R-IV School District / 2,878 |
| 424. | 45.80 | Appleton City R-II School District / 2,501 |
| 424. | 45.80 | Lindbergh R-VIII School District / 46,628 |
| 427. | 45.90 | Plainview R-VIII School District / 928 |
| 427. | 45.90 | Putnam County R-I School District / 4,759 |
| 429. | 46.00 | Miller County R-III School District / 1,487 |
| 429. | 46.00 | Mansfield R-IV School District / 3,762 |
| 429. | 46.00 | Midway School District / 3,034 |
| 432. | 46.10 | Brunswick R-II School District / 1,583 |
| 432. | 46.10 | El Dorado Springs R-II School District / 7,479 |
| 432. | 46.10 | Marceline R-V School District / 3,238 |
| 432. | 46.10 | Dadeville R-II School District / 875 |
| 436. | 46.20 | Naylor R-II School District / 1,736 |
| 436. | 46.20 | Fairview R-XI School District / 4,305 |
| 436. | 46.20 | Manes R-V School District / 737 |
| 436. | 46.20 | Centerville R-I School District / 874 |
| 436. | 46.20 | Salisbury R-IV School District / 3,565 |
| 441. | 46.30 | Swedeborg R-III School District / 565 |
| 441. | 46.30 | Ripley County R-IV School District / 783 |
| 441. | 46.30 | Westview C-6 School District / 1,057 |
| 441. | 46.30 | Cooper County C-4 School District / 841 |
| 445. | 46.50 | South Holt County R-I School District / 1,872 |
| 446. | 46.60 | Twin Rivers R-X School District / 6,224 |
| 446. | 46.60 | North Harrison R-III School District / 1,244 |
| 446. | 46.60 | Osborn R-O School District / 748 |
| 449. | 46.80 | Ava R-I School District / 8,877 |
| 449. | 46.80 | Clearwater R-I School District / 6,980 |
| 449. | 46.80 | Southwest Livingston County R-I School District / 1,284 |
| 452. | 46.90 | Smithton R-VI School District / 3,318 |
| 453. | 47.00 | Fair Play R-II School District / 2,270 |
| 454. | 47.10 | Humansville R-IV School District / 2,775 |
| 454. | 47.10 | West Platte County R-II School District / 3,655 |
| 454. | 47.10 | Calhoun R-VIII School District / 1,032 |
| 454. | 47.10 | Green Forest R-II School District / 1,791 |
| 458. | 47.20 | Morgan County R-I School District / 5,271 |
| 459. | 47.30 | Gainesville R-V School District / 4,728 |
| 459. | 47.30 | Chilhowee R-IV School District / 1,081 |
| 459. | 47.30 | Tina-Avalon R-II School District / 920 |
| 459. | 47.30 | Dent-Phelps R-III School District / 2,926 |
| 459. | 47.30 | Ballard R-II School District / 872 |
| 464. | 47.40 | Osceola School District / 3,042 |
| 464. | 47.40 | Lexington R-V School District / 5,341 |
| 466. | 47.50 | Fairfax R-III School District / 1,088 |
| 467. | 47.60 | Shelby County R-IV School District / 3,836 |
| 467. | 47.60 | Bucklin R-II School District / 1,073 |
| 469. | 47.70 | Avenue City R-IX School District / 1,048 |
| 469. | 47.70 | La Plata R-II School District / 2,401 |
| 469. | 47.70 | Tarkio R-I School District / 2,163 |
| 469. | 47.70 | Cassville R-IV School District / 12,012 |
| 473. | 47.90 | Delta C-7 School District / 799 |
| 474. | 48.00 | Lesterville R-IV School District / 1,074 |
| 474. | 48.00 | Macon County R-IV School District / 921 |
| 476. | 48.10 | Worth County R-III School District / 2,113 |
| 477. | 48.40 | Summersville R-II School District / 3,098 |
| 478. | 48.50 | Iron County C-4 School District / 2,667 |
| 479. | 48.80 | Wellsville-Middletown R-I School District / 2,351 |
| 479. | 48.80 | Missouri City 56 School District / 512 |
| 479. | 48.80 | School of The Osage R-II School District / 11,621 |
| 482. | 49.00 | Phelps County R-III School District / 1,987 |
| 483. | 49.10 | Camdenton R-III School District / 31,170 |
| 483. | 49.10 | Forsyth R-III School District / 8,517 |
| 485. | 49.20 | Gasconade County R-I School District / 7,472 |
| 486. | 49.30 | Pleasant View R-VI School District / 415 |
| 486. | 49.30 | Union Star R-II School District / 807 |
| 488. | 49.40 | Raymondville R-7 School District / 1,183 |
| 488. | 49.40 | Lakeland R-III School District / 2,985 |
| 490. | 49.50 | Lincoln R-II School District / 3,928 |
| 491. | 50.00 | Bevier C-4 School District / 1,230 |
| 491. | 50.00 | Paris R-II School District / 3,103 |
| 493. | 50.10 | Gasconade C-4 School District / 844 |
| 494. | 50.30 | Leesville R-IX School District / 1,160 |
| 495. | 50.50 | Southern Reynolds County R-IV School District / 2,885 |
| 495. | 50.50 | Cainsville R-I School District / 434 |
| 497. | 50.60 | Thornfield R-I School District / 625 |
| 498. | 51.10 | Weaubleau R-III School District / 2,319 |
| 499. | 51.40 | Boncl R-X School District / 508 |
| 500. | 51.50 | Orearville R-IV School District / 289 |
| 501. | 51.60 | Gilman City R-IV School District / 783 |
| 502. | 51.80 | Greenfield R-IV School District / 2,803 |
| 502. | 51.80 | Winston R-VI School District / 944 |
| 504. | 52.30 | Bosworth R-V School District / 580 |
| 505. | 52.50 | Montrose R-XIV School District / 714 |
| 506. | 52.60 | Newtown-Harris R-III School District / 422 |
| 507. | 53.10 | Oregon-Howell R-III School District / 1,505 |
| 508. | 53.20 | Wheatland R-II School District / 2,855 |
| 509. | 53.30 | Craig R-III School District / 523 |
| 510. | 54.30 | Mark Twain R-VIII School District / 692 |
| 511. | 54.40 | Couch R-I School District / 1,128 |
| 512. | 55.10 | Reeds Spring R-IV School District / 15,561 |
| 513. | 55.40 | Lutie R-VI School District / 1,421 |
| 513. | 55.40 | Dora R-III School District / 1,859 |
| 515. | 55.50 | Warsaw R-IX School District / 10,598 |
| 516. | 56.00 | Blue Eye School District / 5,273 |
| 517. | 59.70 | Shell Knob 78 School District / 2,898 |
| 518. | 59.90 | Hermitage R-IV School District / 3,171 |
| 519. | 62.10 | Climax Springs R-IV School District / 2,661 |
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.
