| 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) |
| San Benito High, CA (District) |
| San Bernardino City Unified, CA (District) |
| San Bernardino County Office of Education, CA (District) |
| San Bernardino County ROP, CA (District) |
| San Bernardino ESA, CA (ISD) |
| San Bruno Park Elementary, CA (District) |
| San Carlos Elementary, CA (District) |
| San Carlos Unified District, AZ (District) |
