| Afton, OK (District) |
| Afton Central School District, NY (District) |
| Agamim Classical Academy, MN (PSA) |
| Agar-Blunt-Onida School District, SD (District) |
| Agate 300, CO (District) |
| Agawam, MA (District) |
| AGBU Alex-Marie Manoogian School, MI (PSA) |
| Agora Cyber Cs, PA (PSA) |
| Agra, OK (District) |
| Agua Dulce ISD, TX (District) |
| Agua Fria Union High School District, AZ (District) |
| Aguila Elementary District, AZ (District) |
| Aguilar Reorganized 6, CO (District) |
| AGWSR Comm School District, IA (District) |
| AHSTW Comm School District, IA (District) |
