| San Patricio County, TX (ISD) |
| San Perlita ISD, TX (District) |
| San Rafael City Elementary, CA (District) |
| San Rafael City High, CA (District) |
| San Ramon Valley Unified, CA (District) |
| San Saba County, TX (ISD) |
| San Saba ISD, TX (District) |
| San Simon Unified District, AZ (District) |
| San Tan Montessori School Inc., AZ (District) |
| San Vicente ISD, TX (District) |
| San Ysidro Elementary, CA (District) |
| Sanborn Regional Sau Office, NH (District) |
| Sanborn Regional School District, NH (District) |
| Sand Creek Community Schools, MI (District) |
| Sand Springs, OK (District) |
