| Rank | Percentage of Population Age 55 to 64 ▼ | School District / Population |
| 1. | 22.7% | Climax Springs R-IV School District / 2,850 |
| 2. | 22.0% | Shell Knob 78 School District / 2,577 |
| 3. | 21.2% | Skyline R-II School District / 1,126 |
| 4. | 20.6% | Blue Eye School District / 5,399 |
| 5. | 20.4% | Warsaw R-IX School District / 10,830 |
| 6. | 19.9% | Missouri City 56 School District / 519 |
| 7. | 19.3% | Boncl R-X School District / 487 |
| 8. | 19.2% | Hermitage R-IV School District / 3,069 |
| 9. | 19.1% | Mark Twain R-VIII School District / 665 |
| 10. | 18.8% | Leesville R-IX School District / 1,079 |
| 11. | 18.6% | Reeds Spring R-IV School District / 16,588 |
| 12. | 18.2% | Mirabile C-1 School District / 368 |
| 13. | 18.1% | Bucklin R-II School District / 1,066 |
| 14. | 18.0% | Wheatland R-II School District / 3,011 |
| 15. | 17.8% | Hardeman R-X School District / 578 |
| 16. | 17.8% | Belleview R-III School District / 1,426 |
| 17. | 17.8% | Couch R-I School District / 1,228 |
| 18. | 17.7% | Davis R-XII School District / 487 |
| 19. | 17.6% | Lutie R-VI School District / 1,635 |
| 20. | 17.6% | Macon County R-IV School District / 859 |
| 21. | 17.4% | Cowgill R-VI School District / 386 |
| 22. | 17.3% | Camdenton R-III School District / 31,430 |
| 23. | 17.2% | Roscoe C-1 School District / 679 |
| 24. | 17.2% | Dora R-III School District / 1,843 |
| 25. | 17.1% | Craig R-III School District / 730 |
| 26. | 17.1% | Raymondville R-7 School District / 1,171 |
| 27. | 17.0% | Eminence R-I School District / 2,029 |
| 28. | 16.9% | Cainsville R-I School District / 508 |
| 29. | 16.9% | School of The Osage R-II School District / 12,804 |
| 29. | 16.9% | Galena R-II School District / 3,750 |
| 31. | 16.9% | Macks Creek R-V School District / 2,450 |
| 32. | 16.7% | Fairfax R-III School District / 1,092 |
| 32. | 16.7% | Manes R-V School District / 570 |
| 34. | 16.7% | Winston R-VI School District / 1,225 |
| 35. | 16.6% | Southwest Livingston County R-I School District / 1,211 |
| 36. | 16.5% | Lakeland R-III School District / 3,211 |
| 37. | 16.5% | Montrose R-XIV School District / 795 |
| 38. | 16.5% | Oregon-Howell R-III School District / 1,627 |
| 39. | 16.3% | Success R-VI School District / 1,035 |
| 40. | 16.3% | Revere C-3 School District / 619 |
| 41. | 16.3% | Morgan County R-I School District / 5,309 |
| 42. | 16.3% | Weaubleau R-III School District / 2,616 |
| 43. | 16.3% | West Platte County R-II School District / 3,822 |
| 44. | 16.3% | Moniteau County C-1 School District / 1,409 |
| 45. | 16.2% | Zalma R-V School District / 1,394 |
| 46. | 16.2% | North Daviess R-III School District / 772 |
| 47. | 16.1% | Gasconade C-4 School District / 839 |
| 48. | 16.1% | Gainesville R-V School District / 4,526 |
| 49. | 16.0% | Higbee R-VIII School District / 1,403 |
| 50. | 15.9% | Risco R-II School District / 769 |
| 51. | 15.8% | Ripley County R-III School District / 816 |
| 52. | 15.8% | Keytesville R-III School District / 1,286 |
| 53. | 15.8% | Avenue City R-IX School District / 1,142 |
| 54. | 15.7% | Everton R-III School District / 1,195 |
| 55. | 15.7% | Newburg R-II School District / 2,888 |
| 55. | 15.7% | Franklin County R-II School District / 1,383 |
| 57. | 15.7% | Greenfield R-IV School District / 3,250 |
| 58. | 15.6% | Paris R-II School District / 3,081 |
| 59. | 15.6% | Lincoln R-II School District / 3,945 |
| 60. | 15.6% | Adair County R-I School District / 1,872 |
| 61. | 15.5% | Phelps County R-III School District / 2,018 |
| 61. | 15.5% | Niangua R-V School District / 1,941 |
| 61. | 15.5% | Junction Hill C-12 School District / 1,889 |
| 61. | 15.5% | Sweet Springs R-VII School District / 2,869 |
| 65. | 15.5% | Summersville R-II School District / 3,058 |
| 66. | 15.5% | Bakersfield R-IV School District / 1,706 |
| 67. | 15.5% | Rock Port R-II School District / 2,329 |
| 68. | 15.5% | Swedeborg R-III School District / 550 |
| 69. | 15.4% | Lesterville R-IV School District / 1,295 |
| 70. | 15.4% | Greenville R-II School District / 5,601 |
| 71. | 15.4% | Grundy County R-V School District / 1,040 |
| 71. | 15.4% | Calhoun R-VIII School District / 1,112 |
| 73. | 15.3% | Delta C-7 School District / 906 |
| 74. | 15.3% | Ralls County R-II School District / 5,269 |
| 75. | 15.3% | Cassville R-IV School District / 11,765 |
| 76. | 15.3% | Livingston County R-III School District / 622 |
| 77. | 15.3% | Osceola School District / 3,251 |
| 78. | 15.3% | Ladue School District / 27,103 |
| 79. | 15.2% | South Holt County R-I School District / 1,865 |
| 80. | 15.2% | Humansville R-IV School District / 3,108 |
| 81. | 15.2% | Forsyth R-III School District / 8,646 |
| 82. | 15.1% | North Pemiscot County R-I School District / 1,784 |
| 83. | 15.1% | Valley R-VI School District / 2,931 |
| 84. | 15.1% | Hudson R-IX School District / 458 |
| 85. | 15.0% | Alton R-IV School District / 4,750 |
| 86. | 15.0% | Dent-Phelps R-III School District / 2,807 |
| 87. | 14.9% | Delta R-V School District / 2,142 |
| 88. | 14.9% | Hickory County R-I School District / 4,869 |
| 89. | 14.9% | Pleasant View R-VI School District / 449 |
| 90. | 14.9% | Norborne R-VIII School District / 1,089 |
| 91. | 14.9% | Ash Grove R-IV School District / 4,966 |
| 92. | 14.8% | Atlanta C-3 Schools / 1,247 |
| 93. | 14.8% | Stet R-XV School District / 513 |
| 94. | 14.8% | Midway School District / 3,222 |
| 95. | 14.8% | Dadeville R-II School District / 960 |
| 95. | 14.8% | Stewartsville C-2 School District / 1,271 |
| 97. | 14.8% | North Platte County R-I School District / 3,930 |
| 97. | 14.8% | Polo R-VII School District / 2,120 |
| 99. | 14.8% | Marquand-Zion School District / 1,261 |
| 100. | 14.7% | Cole Camp R-I School District / 5,082 |
| 100. | 14.7% | New Franklin R-I School District / 2,646 |
| 102. | 14.7% | Callao C-8 School District / 645 |
| 103. | 14.7% | Jefferson County R-VII School District / 5,999 |
| 103. | 14.7% | Altenburg 48 School District / 1,046 |
| 105. | 14.7% | Tarkio R-I School District / 2,264 |
| 106. | 14.7% | Grandview R-II School District / 4,814 |
| 107. | 14.7% | Cole County R-I School District / 3,990 |
| 108. | 14.6% | Twin Rivers R-X School District / 5,956 |
| 109. | 14.6% | Van Buren R-I School District / 3,004 |
| 110. | 14.5% | Bunker R-III School District / 1,547 |
| 110. | 14.5% | Pemiscot County R-3 School District / 956 |
| 112. | 14.5% | Glenwood R-VIII School District / 2,362 |
| 112. | 14.5% | Lone Jack C-6 School District / 3,100 |
| 112. | 14.5% | Mehlville School District / 95,468 |
| 115. | 14.5% | Nell Holcomb R-IV School District / 2,812 |
| 115. | 14.5% | Wellington-Napoleon R-IX School District / 2,364 |
| 117. | 14.5% | Iron County C-4 School District / 2,879 |
| 118. | 14.5% | Blackwater R-II School District / 913 |
| 119. | 14.5% | Oak Ridge R-VI School District / 2,304 |
| 120. | 14.4% | Ridgeway R-V School District / 735 |
| 121. | 14.4% | Parkway School District / 140,234 |
| 122. | 14.4% | Osborn R-O School District / 771 |
| 122. | 14.4% | Gasconade County R-I School District / 7,671 |
| 124. | 14.4% | Renick R-V School District / 1,210 |
| 125. | 14.4% | Stockton R-I School District / 6,931 |
| 126. | 14.4% | Adair County R-II School District / 1,379 |
| 127. | 14.3% | Kirkwood School District / 40,394 |
| 127. | 14.3% | Appleton City R-II School District / 2,330 |
| 129. | 14.3% | Clinton County R-III School District / 5,430 |
| 130. | 14.3% | Linn County R-I School District / 1,580 |
| 130. | 14.3% | Eldon R-I School District / 12,072 |
| 132. | 14.3% | Oak Hill R-I School District / 1,457 |
| 132. | 14.3% | Community R-VI School District / 2,185 |
| 134. | 14.3% | Billings R-IV School District / 2,838 |
| 135. | 14.3% | Westran R-I School District / 3,668 |
| 135. | 14.3% | Sunrise R-IX School District / 3,289 |
| 135. | 14.3% | Holt County R-II School District / 1,802 |
| 138. | 14.2% | Marion County R-II School District / 1,278 |
| 139. | 14.2% | Maries County R-II School District / 5,501 |
| 140. | 14.2% | Pike County R-III School District / 2,957 |
| 140. | 14.2% | Greene County R-VIII School District / 12,679 |
| 142. | 14.2% | East Buchanan County C-1 School District / 4,354 |
| 143. | 14.2% | South Iron County R-I School District / 2,294 |
| 144. | 14.2% | Willow Springs R-IV School District / 7,728 |
| 145. | 14.2% | Green City R-I School District / 1,731 |
| 146. | 14.1% | Kingsville R-I School District / 1,952 |
| 146. | 14.1% | Laredo R-VII School District / 481 |
| 148. | 14.1% | Smithton R-VI School District / 3,719 |
| 149. | 14.1% | New Madrid County R-I School District / 9,385 |
| 150. | 14.1% | Monroe City R-I School District / 5,433 |
| 150. | 14.1% | Osage County R-I School District / 1,156 |
| 150. | 14.1% | Putnam County R-I School District / 4,843 |
| 153. | 14.1% | Howard County R-II School District / 2,087 |
| 154. | 14.1% | Clark County R-I School District / 6,053 |
| 154. | 14.1% | Leopold R-III School District / 889 |
| 154. | 14.1% | Miami R-I School District / 569 |
| 157. | 14.0% | Camden County R-II School District / 2,872 |
| 158. | 14.0% | Lewis County C-1 School District / 6,554 |
| 158. | 14.0% | Gallatin R-V School District / 3,183 |
| 160. | 14.0% | Centerville R-I School District / 800 |
| 161. | 14.0% | Worth County R-III School District / 2,216 |
| 161. | 14.0% | Mid-Buchanan County R-V School District / 4,290 |
| 163. | 14.0% | Green Forest R-II School District / 1,940 |
| 164. | 14.0% | Salisbury R-IV School District / 3,510 |
| 164. | 14.0% | North Andrew County R-VI School District / 1,898 |
| 166. | 14.0% | Cabool School District / 5,620 |
| 167. | 13.9% | Harrisburg R-VIII School District / 3,294 |
| 168. | 13.9% | Northeast Vernon County R-I School District / 2,004 |
| 168. | 13.9% | Lonedell R-XIV School District / 3,476 |
| 168. | 13.9% | Strafford R-VI School District / 6,647 |
| 171. | 13.9% | Chadwick R-I School District / 1,517 |
| 171. | 13.9% | Ava R-I School District / 9,186 |
| 171. | 13.9% | Fairview R-XI School District / 4,501 |
| 174. | 13.9% | Pulaski County R-IV School District / 3,431 |
| 175. | 13.9% | Thayer R-II School District / 3,859 |
| 176. | 13.9% | Shelby County R-IV School District / 4,317 |
| 177. | 13.8% | Prairie Home R-V School District / 1,387 |
| 177. | 13.8% | Thornfield R-I School District / 643 |
| 179. | 13.8% | Otterville R-VI School District / 1,540 |
| 180. | 13.8% | Morgan County R-II School District / 11,110 |
| 181. | 13.8% | Bloomfield School District / 4,658 |
| 182. | 13.8% | Bell City R-II School District / 1,474 |
| 183. | 13.8% | Gilman City R-IV School District / 785 |
| 184. | 13.7% | Santa Fe R-X School District / 2,517 |
| 184. | 13.7% | Lindbergh R-VIII School District / 46,429 |
| 186. | 13.7% | Southern Boone County R-I School District / 7,932 |
| 187. | 13.7% | Marceline R-V School District / 3,601 |
| 188. | 13.7% | Walnut Grove R-V School District / 1,930 |
| 189. | 13.7% | Spokane R-VII School District / 4,750 |
| 189. | 13.7% | Cole County R-V School District / 4,962 |
| 191. | 13.6% | Plainview R-VIII School District / 807 |
| 191. | 13.6% | Carrollton R-VII School District / 5,621 |
| 193. | 13.6% | Dallas County R-I School District / 12,874 |
| 194. | 13.6% | Green Ridge R-VIII School District / 2,124 |
| 195. | 13.6% | Holden R-III School District / 8,613 |
| 196. | 13.6% | Meadow Heights R-II School District / 3,747 |
| 197. | 13.5% | Nodaway-Holt R-VII School District / 1,574 |
| 197. | 13.5% | Webster Groves School District / 32,140 |
| 199. | 13.5% | North Callaway R-I School District / 6,857 |
| 199. | 13.5% | Fair Play R-II School District / 2,514 |
| 201. | 13.5% | Houston R-I School District / 5,908 |
| 202. | 13.5% | Hollister R-V School District / 10,430 |
| 203. | 13.5% | Marion County Early R-V School District / 3,938 |
| 204. | 13.5% | Bismarck R-V School District / 3,674 |
| 205. | 13.4% | Lathrop R-II School District / 4,836 |
| 206. | 13.4% | Rockwood School District / 116,321 |
| 207. | 13.4% | Hartville R-II School District / 4,468 |
| 208. | 13.4% | Clearwater R-I School District / 6,644 |
| 209. | 13.4% | Sarcoxie R-II School District / 4,107 |
| 209. | 13.4% | Scott County Central Schools / 1,971 |
| 211. | 13.4% | Hale R-I School District / 800 |
| 211. | 13.4% | Northwest R-I School District / 45,694 |
| 213. | 13.4% | South Callaway R-II Schools / 4,457 |
| 214. | 13.4% | Spring Bluff R-XV School District / 1,752 |
| 215. | 13.4% | Fair Grove R-10 School District / 5,671 |
| 216. | 13.3% | Naylor R-II School District / 1,844 |
| 217. | 13.3% | Madison C-3 School District / 1,419 |
| 218. | 13.3% | Montgomery County R-II School District / 8,610 |
| 218. | 13.3% | Bronaugh R-VII School District / 1,429 |
| 220. | 13.3% | Senath-Hornersville C-8 School District / 4,755 |
| 220. | 13.3% | Macon County R-I School District / 8,696 |
| 222. | 13.3% | West Nodaway County R-I School District / 1,788 |
| 223. | 13.3% | Gasconade County R-II School District / 11,820 |
| 224. | 13.2% | Elsberry R-II School District / 4,790 |
| 224. | 13.2% | Pattonsburg R-II School District / 1,103 |
| 226. | 13.2% | Southern Reynolds County R-IV School District / 3,041 |
| 227. | 13.2% | Ste. Genevieve County R-II School District / 15,185 |
| 228. | 13.2% | North Wood R-IV School District / 1,949 |
| 229. | 13.2% | Campbell R-II School District / 3,611 |
| 229. | 13.2% | Savannah R-III School District / 13,635 |
| 229. | 13.2% | Miller R-II School District / 4,104 |
| 232. | 13.2% | Maries County R-I School District / 4,026 |
| 232. | 13.2% | Wellsville-Middletown R-I School District / 2,629 |
| 234. | 13.1% | Nevada R-V School District / 15,264 |
| 235. | 13.1% | Ripley County R-IV School District / 1,112 |
| 235. | 13.1% | Francis Howell School District / 113,553 |
| 235. | 13.1% | Drexel R-IV School District / 1,798 |
| 238. | 13.1% | Leeton R-X School District / 1,883 |
| 238. | 13.1% | El Dorado Springs R-II School District / 8,193 |
| 240. | 13.1% | Lockwood R-I School District / 2,303 |
| 240. | 13.1% | Pilot Grove C-4 School District / 1,708 |
| 240. | 13.1% | Crawford County R-I School District / 6,249 |
| 243. | 13.1% | Puxico R-VIII School District / 4,976 |
| 243. | 13.1% | Richland R-I School District / 1,542 |
| 245. | 13.1% | Arcadia Valley R-II School District / 5,908 |
| 246. | 13.1% | Woodland R-IV School District / 5,940 |
| 247. | 13.0% | Laclede County C-5 School District / 3,950 |
| 248. | 13.0% | Malden R-I School District / 6,275 |
| 248. | 13.0% | Washington School District / 31,485 |
| 250. | 13.0% | Chilhowee R-IV School District / 1,053 |
| 251. | 13.0% | West St. Francis County R-IV School District / 5,878 |
| 251. | 13.0% | Sheldon R-VIII School District / 1,154 |
| 253. | 13.0% | Mansfield R-IV School District / 4,349 |
| 253. | 13.0% | Strain-Japan R-XVI School District / 893 |
| 253. | 13.0% | Dixon R-I School District / 6,436 |
| 256. | 13.0% | Neelyville R-IV School District / 3,822 |
| 257. | 13.0% | Cooper County C-4 School District / 933 |
| 257. | 13.0% | Howell Valley R-I School District / 2,005 |
| 257. | 13.0% | Oran R-III School District / 2,135 |
| 260. | 13.0% | Dexter R-XI School District / 12,958 |
| 261. | 13.0% | Crawford County R-2 School District / 9,186 |
| 261. | 13.0% | Mountain View-Birch Tree R-III School District / 8,022 |
| 261. | 13.0% | Pleasant Hope R-VI School District / 4,888 |
| 264. | 12.9% | Hurley R-I School District / 1,546 |
| 264. | 12.9% | Richards R-V School District / 3,369 |
| 266. | 12.9% | Ballard R-II School District / 867 |
| 266. | 12.9% | Sikeston School District / 20,716 |
| 268. | 12.9% | Albany R-III School District / 2,851 |
| 269. | 12.9% | Scott County R-IV School District / 5,905 |
| 269. | 12.9% | Bevier C-4 School District / 1,395 |
| 271. | 12.9% | Richmond R-XVI School District / 10,016 |
| 271. | 12.9% | Newtown-Harris R-III School District / 497 |
| 273. | 12.9% | Lawson R-XIV School District / 5,981 |
| 274. | 12.9% | St. James R-I School District / 10,203 |
| 274. | 12.9% | Plato R-V School District / 3,401 |
| 274. | 12.9% | Doniphan R-I School District / 10,336 |
| 277. | 12.8% | Princeton R-V School District / 2,633 |
| 277. | 12.8% | Clinton School District / 11,509 |
| 279. | 12.8% | Poplar Bluff R-I School District / 32,169 |
| 279. | 12.8% | Jefferson City Public Schools / 71,991 |
| 281. | 12.8% | North Nodaway County R-VI School District / 1,376 |
| 281. | 12.8% | Northwestern R-I School District / 1,032 |
| 283. | 12.8% | Bernie School District / 3,151 |
| 283. | 12.8% | Lafayette County C-1 School District / 6,585 |
| 285. | 12.8% | Orearville R-IV School District / 400 |
| 285. | 12.8% | Wright City R-II School District / 10,768 |
| 285. | 12.8% | Slater School District / 2,071 |
| 285. | 12.8% | De Soto School District / 17,199 |
| 289. | 12.7% | Wheaton R-III School District / 2,375 |
| 290. | 12.7% | Louisiana R-II School District / 4,373 |
| 290. | 12.7% | Hamilton R-II School District / 3,778 |
| 292. | 12.7% | Hannibal School District / 22,813 |
| 292. | 12.7% | Winona R-III School District / 2,622 |
| 294. | 12.7% | Jackson R-II School District / 30,067 |
| 295. | 12.7% | Maysville R-I School District / 4,187 |
| 296. | 12.7% | Knox County R-I School District / 4,095 |
| 296. | 12.7% | Tina-Avalon R-II School District / 917 |
| 296. | 12.7% | Union Star R-II School District / 988 |
| 296. | 12.7% | East Carter County R-II School District / 4,244 |
| 296. | 12.7% | Marionville R-IX School District / 4,616 |
| 296. | 12.7% | Northeast Nodaway County R-V School District / 1,328 |
| 302. | 12.6% | Shelby County C-1 School District / 2,131 |
| 303. | 12.6% | Advance R-IV School District / 3,021 |
| 304. | 12.6% | Kennett 39 School District / 10,898 |
| 305. | 12.6% | Palmyra R-I School District / 6,736 |
| 305. | 12.6% | Mountain Grove R-III School District / 9,530 |
| 307. | 12.6% | Diamond R-IV School District / 5,638 |
| 308. | 12.6% | Bosworth R-V School District / 692 |
| 309. | 12.6% | Shawnee R-III School District / 637 |
| 309. | 12.6% | Hazelwood School District / 118,853 |
| 309. | 12.6% | Rich Hill R-IV School District / 2,572 |
| 309. | 12.6% | Johnson County R-VII School District / 3,630 |
| 313. | 12.6% | Clarksburg C-2 School District / 805 |
| 313. | 12.6% | Seneca R-VII School District / 8,756 |
| 313. | 12.6% | Independence Public Schools / 94,720 |
| 316. | 12.5% | Branson R-IV School District / 26,576 |
| 316. | 12.5% | Blue Springs R-IV School District / 76,331 |
| 318. | 12.5% | Jasper County R-V School District / 2,971 |
| 318. | 12.5% | Brookfield R-III School District / 6,503 |
| 318. | 12.5% | Farmington R-7 School District / 27,796 |
| 318. | 12.5% | North Mercer County R-III School District / 1,041 |
| 322. | 12.5% | Brunswick R-II School District / 1,603 |
| 323. | 12.5% | Liberal R-II School District / 2,982 |
| 324. | 12.5% | Marshfield R-I School District / 16,818 |
| 324. | 12.5% | New York R-IV School District / 313 |
| 324. | 12.5% | Lexington R-V School District / 5,908 |
| 327. | 12.5% | Mount Vernon R-V School District / 9,214 |
| 327. | 12.5% | Hardin-Central C-2 School District / 1,044 |
| 327. | 12.5% | Butler R-V School District / 6,338 |
| 330. | 12.4% | Buchanan County R-IV School District / 2,123 |
| 331. | 12.4% | Raytown C-2 School District / 58,838 |
| 331. | 12.4% | Center 58 School District / 24,971 |
| 333. | 12.4% | Laclede County R-I School District / 4,462 |
| 333. | 12.4% | Lamar R-I School District / 7,415 |
| 335. | 12.4% | Park Hill School District / 62,261 |
| 335. | 12.4% | Pierce City R-VI School District / 4,344 |
| 337. | 12.4% | East Prairie R-II School District / 5,821 |
| 337. | 12.4% | Mexico 59 School District / 15,366 |
| 339. | 12.4% | Hillsboro R-III School District / 21,291 |
| 340. | 12.4% | Silex R-I School District / 2,565 |
| 341. | 12.3% | Steelville School District / 5,883 |
| 342. | 12.3% | Gorin R-III School District / 430 |
| 342. | 12.3% | New Bloomfield R-III School District / 4,232 |
| 344. | 12.3% | Richwoods R-VII School District / 1,651 |
| 344. | 12.3% | Kearney R-I School District / 17,877 |
| 346. | 12.3% | University City School District / 35,962 |
| 346. | 12.3% | Sherwood Cass R-VIII School District / 5,085 |
| 348. | 12.3% | Exeter R-VI School District / 1,891 |
| 348. | 12.3% | St. Charles County R-V School District / 10,607 |
| 350. | 12.3% | North Harrison R-III School District / 1,436 |
| 351. | 12.3% | Milan C-2 School District / 3,958 |
| 351. | 12.3% | Smithville School District / 11,921 |
| 353. | 12.2% | Laquey R-V School District / 3,939 |
| 354. | 12.2% | Boone County R-IV School District / 7,263 |
| 355. | 12.2% | Sparta R-III School District / 4,394 |
| 355. | 12.2% | Kirbyville R-VI School District / 2,835 |
| 357. | 12.2% | Perry County 32 School District / 17,763 |
| 358. | 12.2% | Kelso C-7 School District / 2,219 |
| 358. | 12.2% | Centralia R-VI School District / 7,249 |
| 360. | 12.2% | Henry County R-I School District / 4,607 |
| 360. | 12.2% | Middle Grove C-1 School District / 691 |
| 360. | 12.2% | Normandy School District / 35,210 |
| 360. | 12.2% | Pattonville School District / 41,088 |
| 364. | 12.2% | Orrick R-XI School District / 2,049 |
| 365. | 12.1% | Fredericktown R-I School District / 10,918 |
| 366. | 12.1% | Kingston K-14 School District / 4,898 |
| 366. | 12.1% | Aurora R-8 School District / 11,098 |
| 366. | 12.1% | Excelsior Springs 40 School District / 17,189 |
| 369. | 12.1% | Chillicothe R-II School District / 12,889 |
| 369. | 12.1% | Grandview C-4 School District / 31,917 |
| 371. | 12.1% | Miller County R-III School District / 1,414 |
| 372. | 12.1% | Luray 33 School District / 414 |
| 372. | 12.1% | Adrian County R-III School District / 3,923 |
| 374. | 12.1% | Portageville School District / 4,260 |
| 374. | 12.1% | Bradleyville R-I School District / 961 |
| 376. | 12.1% | Charleston R-I School District / 8,525 |
| 376. | 12.1% | Spickard R-II School District / 589 |
| 378. | 12.0% | Meadville R-IV School District / 1,279 |
| 379. | 12.0% | Maplewood-Richmond Heights School District / 13,958 |
| 379. | 12.0% | St. Clair R-XIII School District / 12,448 |
| 381. | 12.0% | Sturgeon R-V School District / 3,665 |
| 381. | 12.0% | Miami R-I School District / 1,457 |
| 383. | 12.0% | East Newton County R-VI School District / 8,895 |
| 384. | 12.0% | Hume R-VIII School District / 834 |
| 385. | 12.0% | North Kansas City School District / 123,348 |
| 386. | 12.0% | Golden City School District / 1,688 |
| 387. | 11.9% | Southwest R-V School District / 4,746 |
| 388. | 11.9% | Schuyler County R-I School District / 4,565 |
| 389. | 11.9% | Affton School District / 26,187 |
| 390. | 11.9% | Fort Osage R-I School District / 25,145 |
| 391. | 11.9% | Breckenridge R-I School District / 590 |
| 392. | 11.8% | High Point R-III School District / 811 |
| 393. | 11.8% | Halfway R-III School District / 2,223 |
| 393. | 11.8% | Taneyville R-II School District / 1,598 |
| 395. | 11.8% | Clarkton C-4 School District / 1,880 |
| 396. | 11.8% | Scott City R-I School District / 5,355 |
| 397. | 11.8% | La Plata R-II School District / 2,731 |
| 398. | 11.8% | Jennings School District / 17,392 |
| 399. | 11.8% | Concordia School District / 3,799 |
| 400. | 11.8% | Windsor C-1 School District / 18,193 |
| 400. | 11.8% | Meramec Valley R-III School District / 22,762 |
| 402. | 11.8% | Potosi R-III School District / 13,408 |
| 403. | 11.7% | Lebanon School District / 24,821 |
| 404. | 11.7% | Crocker School District / 3,333 |
| 405. | 11.7% | St. Charles R-VI School District / 53,421 |
| 406. | 11.7% | Trenton R-IX School District / 7,824 |
| 407. | 11.7% | Crane R-III School District / 3,558 |
| 407. | 11.7% | Malta Bend R-V School District / 669 |
| 409. | 11.6% | Boonville School District / 11,591 |
| 410. | 11.6% | Scott County R-II School District / 3,816 |
| 411. | 11.6% | Bayless School District / 13,162 |
| 411. | 11.6% | Northeast Randolph County R-IV School District / 2,015 |
| 413. | 11.6% | Raymore-Peculiar R-II School District / 32,915 |
| 413. | 11.6% | Marshall School District / 15,199 |
| 413. | 11.6% | Joplin R-VIII School District / 59,509 |
| 416. | 11.5% | Odessa R-VII School District / 12,274 |
| 416. | 11.5% | Scotland County R-I School District / 4,419 |
| 418. | 11.5% | Southland School District / 2,050 |
| 418. | 11.5% | Neosho R-5 School District / 26,125 |
| 418. | 11.5% | Cass County R-V School District / 2,989 |
| 418. | 11.5% | Osage County R-II School District / 5,310 |
| 422. | 11.5% | Warren County R-III School District / 18,599 |
| 423. | 11.5% | St. Elizabeth R-IV School District / 1,263 |
| 424. | 11.5% | Crystal City 47 School District / 3,992 |
| 425. | 11.5% | Cooter R-IV School District / 882 |
| 426. | 11.4% | Salem R-80 School District / 7,006 |
| 426. | 11.4% | Jefferson C-123 School District / 884 |
| 428. | 11.4% | East Lynne 40 School District / 1,340 |
| 429. | 11.4% | Gilliam C-4 School District / 351 |
| 430. | 11.4% | Kingston 42 School District / 483 |
| 430. | 11.4% | Springfield School District / 204,727 |
| 432. | 11.4% | Braymer C-4 School District / 1,731 |
| 433. | 11.4% | Strasburg C-3 School District / 1,109 |
| 434. | 11.4% | Ferguson-Florissant School District / 69,050 |
| 434. | 11.4% | Carthage R-IX School District / 23,293 |
| 436. | 11.3% | New Haven School District / 2,522 |
| 436. | 11.3% | Hancock Place School District / 8,388 |
| 438. | 11.3% | West Plains R-VII School District / 13,461 |
| 438. | 11.3% | Winfield School District / 10,004 |
| 440. | 11.3% | Iberia R-V School District / 3,972 |
| 441. | 11.3% | Licking School District / 6,662 |
| 441. | 11.3% | McDonald County R-I School District / 18,808 |
| 443. | 11.3% | Bowling Green R-I School District / 11,119 |
| 444. | 11.3% | Fayette R-III School District / 5,145 |
| 444. | 11.3% | Ritenour School District / 43,629 |
| 444. | 11.3% | Pettis County R-V School District / 2,174 |
| 447. | 11.3% | Holcomb R-III School District / 2,610 |
| 448. | 11.2% | St. Joseph School District / 80,701 |
| 449. | 11.2% | South Harrison School District / 5,688 |
| 450. | 11.2% | Fordland R-III School District / 4,467 |
| 451. | 11.2% | King City R-I School District / 1,874 |
| 451. | 11.2% | Westview C-6 School District / 1,222 |
| 453. | 11.2% | Purdy R-II School District / 3,365 |
| 453. | 11.2% | Sullivan School District / 11,771 |
| 453. | 11.2% | Hayti R-II School District / 3,876 |
| 456. | 11.2% | Moniteau County R-I School District / 7,210 |
| 457. | 11.2% | Osage County R-III School District / 6,495 |
| 457. | 11.2% | Union R-XI School District / 19,974 |
| 459. | 11.2% | Platte County R-III School District / 22,548 |
| 459. | 11.2% | South Pemiscot Schools / 3,594 |
| 461. | 11.2% | Fox C-6 School District / 67,955 |
| 462. | 11.1% | Carl Junction R-I School District / 15,576 |
| 463. | 11.1% | Harrisonville R-IX School District / 14,019 |
| 464. | 11.0% | North St. Francis County R-I School District / 20,261 |
| 465. | 11.0% | Willard School District / 23,600 |
| 466. | 11.0% | Avilla R-XIII School District / 1,368 |
| 467. | 11.0% | Belton 124 School District / 26,622 |
| 468. | 10.9% | Norwood R-I School District / 2,130 |
| 469. | 10.9% | Dunklin R-V School District / 9,270 |
| 470. | 10.9% | Kansas City School District / 194,122 |
| 471. | 10.9% | Sedalia 200 School District / 29,793 |
| 472. | 10.8% | St. Louis City School District / 319,294 |
| 473. | 10.8% | Caruthersville School District / 6,133 |
| 474. | 10.8% | Fulton School District / 19,130 |
| 475. | 10.8% | Clever R-V School District / 5,906 |
| 476. | 10.8% | Festus R-6 School District / 17,876 |
| 477. | 10.8% | Pleasant Hill R-III School District / 11,062 |
| 478. | 10.7% | Lee's Summit R-7 School District / 91,982 |
| 479. | 10.7% | Moberly School District / 16,390 |
| 480. | 10.7% | Gideon School District / 1,733 |
| 480. | 10.7% | Cape Girardeau 63 School District / 38,472 |
| 480. | 10.7% | Cole County R-II School District / 6,068 |
| 483. | 10.7% | Van-Far School District / 5,416 |
| 484. | 10.7% | Verona R-VII School District / 2,395 |
| 485. | 10.6% | Nixa School District / 28,372 |
| 485. | 10.6% | South Nodaway County R-IV School District / 997 |
| 487. | 10.6% | Gentry County R-II School District / 2,293 |
| 488. | 10.5% | Hickman Mills C-1 School District / 47,092 |
| 489. | 10.5% | Oak Grove R-VI School District / 10,944 |
| 490. | 10.4% | Brentwood School District / 8,138 |
| 491. | 10.4% | Ozark R-VI School District / 28,805 |
| 492. | 10.4% | La Monte R-IV School District / 1,950 |
| 493. | 10.3% | Holliday C-2 School District / 563 |
| 494. | 10.3% | Moniteau County R-V School District / 1,100 |
| 494. | 10.3% | Webb City R-VII School District / 21,342 |
| 496. | 10.3% | Moniteau County R-VI School District / 5,028 |
| 497. | 10.3% | Pettis County R-XII School District / 1,044 |
| 498. | 10.2% | Valley Park School District / 8,427 |
| 498. | 10.2% | Fort Zumwalt R-II School District / 110,048 |
| 500. | 10.1% | Republic School District / 23,511 |
| 501. | 10.1% | Monett R-I School District / 12,231 |
| 501. | 10.1% | Riverview Gardens School District / 41,192 |
| 503. | 10.0% | Seymour R-II School District / 6,617 |
| 503. | 10.0% | Central R-III School District / 11,625 |
| 505. | 10.0% | Cameron R-I School District / 13,070 |
| 506. | 9.9% | Troy R-III School District / 33,238 |
| 507. | 9.9% | Clayton School District / 18,618 |
| 508. | 9.8% | Bolivar R-I School District / 16,129 |
| 509. | 9.8% | Grain Valley R-V School District / 17,765 |
| 509. | 9.8% | Rolla 31 School District / 30,939 |
| 511. | 9.7% | Tri-County R-VII School District / 2,010 |
| 512. | 9.7% | Wentzville R-IV School District / 71,390 |
| 513. | 9.5% | Liberty Schools / 53,223 |
| 514. | 9.5% | Kirksville R-III School District / 22,063 |
| 515. | 9.3% | Columbia Public Schools / 136,836 |
| 516. | 8.5% | Canton School District / 4,008 |
| 517. | 8.2% | Maryville R-II Schools / 15,911 |
| 518. | 7.9% | Warrensburg R-VI School District / 25,863 |
| 519. | 6.7% | Knob Noster R-VIII School District / 8,419 |
| 520. | 6.5% | Wellston School District / 2,767 |
| 521. | 4.6% | Waynesville R-VI Schools / 36,404 |
Please note that we only rank locations with 'Percentage of Population Age 55 to 64' data. The rank above might not be a complete list. Locations without 'Percentage of Population Age 55 to 64' data are not listed.
