| 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) |
| San Diego County Office of Education, CA (District) |
| San Diego County ROP, CA (District) |
| San Diego ESA, CA (ISD) |
| San Diego ISD, TX (District) |
| San Diego Riverside School, NM (PSA) |
| San Diego Unified, CA (District) |
| San Dieguito Union High, CA (District) |
| San Elizario ISD, TX (District) |
| San Felipe-Del Rio Cisd, TX (District) |
