| Thayer Central Community Schs, NE (District) |
| Thayer County, NE (ISD) |
| Thayer R-Ii, MO (District) |
| The Academy [Arc], ID (PSA) |
| The Academy for Urban Scholars, OH (PSA) |
| The Academy Of Moore County, NC (District) |
| The Anchor School, GA (PSA) |
| The Angela Day School, MN (PSA) |
| The Ask Academy, NM (PSA) |
| The Autism Academy Of Learning, OH (PSA) |
| The Barack Obama Green Charter High, NJ (District) |
| The Bessie Sherrod Price Preparatory Academy, OH (PSA) |
| The Bloomington Project School, IN (District) |
| The Bridge, AL (District) |
| The Bridge Academy District, CT (District) |
