| 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) |
| Seward Public Schools, NE (District) |
| Seymour Comm School District, IA (District) |
| Seymour Community School District, WI (District) |
| Seymour Community Schools, IN (District) |
| Seymour ISD, TX (District) |
