| Amsterdam Elem, MT (District) |
| Amy Biehl Charter High School, NM (PSA) |
| Anaconda Elem, MT (District) |
| Anaconda H S, MT (District) |
| Anaconda-Deer Lodge, MT (ISD) |
| Anacortes School District, WA (District) |
| Anadarko, OK (District) |
| Anaheim Elementary, CA (District) |
| Anaheim Union High, CA (District) |
| Anahuac ISD, TX (District) |
| Anamoose 14, ND (District) |
| Anamosa Comm School District, IA (District) |
| Anansi Charter School, NM (PSA) |
| Anchor Bay School District, MI (District) |
| Anchorage Borough, AK (ISD) |
