| Apple Valley Unified, CA (District) |
| Appleton Area School District, WI (District) |
| Appleton City R-Ii, MO (District) |
| Appleton School Department, ME (District) |
| Appletree Educational Center, NM (PSA) |
| Applied Technology Academy, MI (PSA) |
| Appling County, GA (ISD) |
| Appling County, GA (District) |
| Appomattox, VA (District) |
| Appoquinimink School District, DE (District) |
| Aprender Tucson, AZ (District) |
| Aptakisic-Tripp CCSD 102, IL (District) |
| Aquilla ISD, TX (District) |
| Ar-We-Va Comm School District, IA (District) |
| Arab City, AL (District) |
