| Astoria CUSD 1, IL (District) |
| Astoria Sd 1, OR (District) |
| Asu Area Center, AR (District) |
| Atascadero Unified, CA (District) |
| Atascosa County, TX (ISD) |
| Atchison Co Comm Schools, KS (District) |
| Atchison County, KS (ISD) |
| Atchison County, MO (ISD) |
| Atchison Public Schools, KS (District) |
| Athena-Weston Sd 29Rj, OR (District) |
| Athenian eAcademy, UT (PSA) |
| Athens, TN (District) |
| Athens Area Schools, MI (District) |
| Athens Area SD, PA (District) |
| Athens City, AL (District) |
