| SOMERVILLE PUBLIC SCHOOLS, NJ (District) |
| Somis Union, CA (District) |
| Somonauk CUSD 432, IL (District) |
| Sonoita Elementary District, AZ (District) |
| Sonoma County Office of Education, CA (District) |
| Sonoma County ROP, CA (District) |
| Sonoma ESA, CA (ISD) |
| Sonoma Valley Unified, CA (District) |
| Sonora Elementary, CA (District) |
| Sonora ISD, TX (District) |
| Sonora Union High, CA (District) |
| Sonoran Desert School, AZ (District) |
| Sonoran Science Academy - Broadway, AZ (District) |
| Sonoran Science Academy - Davis Monthan, AZ (District) |
| Sonoran Science Academy - Phoenix Metro, AZ (District) |
