| South Wilmington CCSD 74, IL (District) |
| South Windsor School District, CT (District) |
| South Winneshiek Comm School District, IA (District) |
| South-Western City CTPD, OH (District) |
| Southampton, VA (District) |
| Southampton, MA (District) |
| Southampton Township School District, NJ (District) |
| Southampton Union Free School District, NY (District) |
| Southborough, MA (District) |
| Southbridge, MA (District) |
| Southeast Delco SD, PA (District) |
| Southeast Dubois Co Sch Corp, IN (District) |
| Southeast Ed Service Center, UT (District) |
| Southeast Fairbanks Borough, AK (ISD) |
| Southeast Fountain School Corp, IN (District) |
