| Sequatchie County, TN (District) |
| Sequim School District, WA (District) |
| Sequoia Choice Schools Lllp, AZ (District) |
| Sequoia Union Elementary, CA (District) |
| Sequoia Union High, CA (District) |
| Sequoyah, NM (State) |
| Sequoyah, OK (District) |
| 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) |
