| Saint Clair County, IL (ISD) |
| Saint Cloud Math and Science Academy Charter School, MN (PSA) |
| Saint Croix, WI (ISD) |
| Saint Croix Central School District, WI (District) |
| Saint Croix Falls School District, WI (District) |
| Saint Francis School District, WI (District) |
| Saint Helena Unified, CA (District) |
| Saint Jo ISD, TX (District) |
| Saint Joseph'S Children'S Home Administration Office, WY (District) |
| Saint Mary'S School District, AK (District) |
| Saint Regis Falls Central School District, NY (District) |
| Salado ISD, TX (District) |
| Salamanca City School District, NY (District) |
| Salem, VA (District) |
| Salem, MA (District) |
