| Springville-griffith Institute Central School District, NY (District) |
| Spur ISD, TX (District) |
| Spurger ISD, TX (District) |
| St Anne CCSD 256, IL (District) |
| St Anne CHSD 302, IL (District) |
| St Ansgar Comm School District, IA (District) |
| St Anthony School, TX (PSA) |
| St Charles CUSD 303, IL (District) |
| St Clair County, AL (ISD) |
| St Clair County, AL (District) |
| St Clair ROE Special Education, IL (District) |
| St David Unified District, AZ (District) |
| St Edward Public Schools, NE (District) |
| St Elmo CUSD 202, IL (District) |
| St Francis Comm Sch, KS (District) |
