| Seymour R-Ii, MO (District) |
| Seymour School District, CT (District) |
| Shackelford County, TX (ISD) |
| Shade-Central City SD, PA (District) |
| Shady Grove, OK (District) |
| Shady Point, OK (District) |
| Shadyside Local School District, OH (District) |
| Shaffer Union Elementary, CA (District) |
| Shaker Heights City School District, OH (District) |
| Shaker Regional Sau Office, NH (District) |
| Shaker Regional School District, NH (District) |
| Shakopee Public School District, MN (District) |
| Shaler Area SD, PA (District) |
| Shallowater ISD, TX (District) |
| Shamokin Area SD, PA (District) |
