| St. Louis Public Schools, MI (District) |
| St. Lucie, FL (District) |
| St. Lucie County, FL (ISD) |
| St. Martin Parish, LA (ISD) |
| St. Martin Parish, LA (District) |
| St. Mary Parish, LA (ISD) |
| St. Mary Parish, LA (District) |
| St. Mary'S County Public Schools, MD (District) |
| St. Marys City School District, OH (District) |
| St. Michael-Albertville School Dist, MN (District) |
| St. Paul City School, MN (District) |
| St. Paul Public School District, MN (District) |
| St. Paul School of Northern Lights, MN (PSA) |
| St. Peter Public School District, MN (District) |
| St. Tammany Parish, LA (ISD) |
