| 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) |
| Seven Hills Classical Academy, MN (District) |
| Seven Oaks Classical School, IN (District) |
| Sevier County, UT (ISD) |
| Sevier County, TN (District) |
| Sevier County, AR (ISD) |
| Sevier County, TN (ISD) |
| Sevier District, UT (District) |
| Sewanhaka Central High School District, NY (District) |
| Seward County, NE (ISD) |
| Seward County, KS (ISD) |
