| Another Choice Virtual Charter District, ID (PSA) |
| Anselmo-Merna Public Schools, NE (District) |
| Anser Of Idaho Inc., ID (PSA) |
| Ansley Public Schools, NE (District) |
| Anson County, NC (ISD) |
| Anson County Schools, NC (District) |
| Anson ISD, TX (District) |
| Ansonia Local School District, OH (District) |
| Ansonia School District, CT (District) |
| Antelope County, NE (ISD) |
| Antelope Elementary, CA (District) |
| Antelope Union High School District, AZ (District) |
| Antelope Valley ROP, CA (District) |
| Antelope Valley Union High, CA (District) |
| Anthem Preparatory Academy, AZ (District) |
