| Sequoyah, OK (District) |
| Sequoyah, NM (State) |
| Sequoyah County, OK (ISD) |
| SER YouthBuild Learning Academy, MI (PSA) |
| SER YouthBuild Learning Academy, MI (PSA) |
| SER YouthBuild Learning Academy, MI (PSA) |
| Ser-Ninos Charter School, TX (PSA) |
| Serena CUSD 2, IL (District) |
| Sergeant Bluff-Luton Comm School District, IA (District) |
| SESC, KY (ISD) |
| SESC, AR (ISD) |
| Sesser-Valier CUSD 196, IL (District) |
| Sevastopol School District, WI (District) |
| Seven Generations Charter School, PA (PSA) |
| Seven Hills Charter Public (District), MA (District) |
