| Socrates Academy, NC (District) |
| Soda Springs Joint District, ID (District) |
| Sodus Central School District, NY (District) |
| Sodus Township S/D #5, MI (District) |
| Sojourner Truth Academy, MN (District) |
| Solana Beach Elementary, CA (District) |
| Solanco SD, PA (District) |
| Solano County Office of Education, CA (District) |
| Solano ESA, CA (ISD) |
| Solare Collegiate Charter School, NM (PSA) |
| Soldier Hollow Charter School, UT (PSA) |
| Soledad Unified, CA (District) |
| Solen 3, ND (District) |
| Solomon, KS (District) |
| Solomon Charter School Inc., PA (PSA) |
