| Sampson County Schools, NC (District) |
| San Angelo ISD, TX (District) |
| San Antonio Can High School, TX (District) |
| San Antonio ISD, TX (District) |
| SAN ANTONIO PREPARATORY SCHOOLS, TX (PSA) |
| San Antonio ROP, CA (District) |
| San Antonio School For Inquiry & Creativity, TX (District) |
| San Antonio Technology Academy, TX (District) |
| San Antonio Union Elementary, CA (District) |
| San Ardo Union Elementary, CA (District) |
| San Augustine County, TX (ISD) |
| San Augustine ISD, TX (District) |
| San Benito Cisd, TX (District) |
| San Benito County Office of Education, CA (District) |
| San Benito ESA, CA (ISD) |
