| Rank | Median Age ▲ | School District / Population |
| 1. | 29.10 | Monongalia School District / 96,189 |
| 2. | 37.60 | Berkeley County School District / 104,169 |
| 3. | 38.00 | Gilmer County School District / 8,693 |
| 4. | 38.70 | Cabell County School District / 96,319 |
| 5. | 38.90 | Jefferson County School District / 53,498 |
| 6. | 40.70 | Boone County School District / 24,629 |
| 7. | 40.90 | Putnam County School District / 55,486 |
| 7. | 40.90 | Mingo County School District / 26,839 |
| 7. | 40.90 | Upshur County School District / 24,254 |
| 10. | 41.00 | Marion County School District / 56,418 |
| 11. | 41.10 | Raleigh County School District / 78,859 |
| 12. | 41.20 | Lincoln County School District / 21,720 |
| 13. | 41.30 | Wayne County School District / 42,481 |
| 14. | 41.50 | Barbour County School District / 16,589 |
| 14. | 41.50 | Clay County School District / 9,386 |
| 16. | 41.80 | Harrison County School District / 69,099 |
| 17. | 42.00 | Preston County School District / 33,520 |
| 18. | 42.20 | Wood County School District / 86,956 |
| 18. | 42.20 | Jackson County School District / 29,211 |
| 20. | 42.30 | Mineral County School District / 28,212 |
| 20. | 42.30 | Taylor County School District / 16,895 |
| 22. | 42.40 | Kanawha County School District / 193,063 |
| 22. | 42.40 | Logan County School District / 36,743 |
| 22. | 42.40 | Pleasants County School District / 7,605 |
| 22. | 42.40 | Mason County School District / 27,324 |
| 22. | 42.40 | Doddridge County School District / 8,202 |
| 27. | 42.50 | Mercer County School District / 62,264 |
| 28. | 42.60 | Wyoming County School District / 23,796 |
| 28. | 42.60 | Hampshire County School District / 23,964 |
| 30. | 42.80 | Hardy County School District / 14,025 |
| 31. | 43.00 | Fayette County School District / 46,039 |
| 32. | 43.30 | Nicholas County School District / 26,233 |
| 33. | 43.40 | Lewis County School District / 16,372 |
| 33. | 43.40 | Randolph County School District / 29,405 |
| 35. | 43.50 | Roane County School District / 14,926 |
| 35. | 43.50 | Ohio County School District / 44,443 |
| 37. | 43.80 | McDowell County School District / 22,113 |
| 37. | 43.80 | Braxton County School District / 14,523 |
| 39. | 44.00 | Grant County School District / 11,937 |
| 40. | 44.10 | Webster County School District / 9,154 |
| 41. | 44.30 | Ritchie County School District / 10,449 |
| 41. | 44.30 | Marshall County School District / 33,107 |
| 43. | 44.40 | Wirt County School District / 5,717 |
| 44. | 44.80 | Wetzel County School District / 16,583 |
| 44. | 44.80 | Brooke County School District / 24,069 |
| 46. | 45.00 | Morgan County School District / 17,541 |
| 46. | 45.00 | Monroe County School District / 13,502 |
| 46. | 45.00 | Greenbrier County School District / 35,480 |
| 49. | 45.10 | Calhoun County School District / 7,627 |
| 50. | 45.20 | Tyler County School District / 9,208 |
| 51. | 45.30 | Hancock County School District / 30,676 |
| 52. | 45.70 | Summers County School District / 13,927 |
| 53. | 46.30 | Tucker County School District / 7,141 |
| 54. | 47.10 | Pocahontas County School District / 8,719 |
| 55. | 47.30 | Pendleton County School District / 7,695 |
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.
