| Sturgeon R-V, MO (District) |
| Sturgis Charter Public (District), MA (District) |
| Sturgis Public Schools, MI (District) |
| Stutsman County, ND (ISD) |
| Stuttgart School District, AR (District) |
| Sublette, KS (District) |
| Sublette County, WY (ISD) |
| Sublette County School District #1, WY (District) |
| Sublette County School District #9, WY (District) |
| Success Academy, MN (PSA) |
| Success Academy, UT (PSA) |
| Success Academy Charter School-bedford Stuyvesant 1, NY (PSA) |
| Success Academy Charter School-bronx 3, NY (PSA) |
| Success Academy Charter School-crown Heights, NY (PSA) |
| Success Academy Charter School-fort Greene, NY (PSA) |
