| Scarsdale Union Free School District, NY (District) |
| Schaller-Crestland Comm School District, IA (District) |
| Schalmont Central School District, NY (District) |
| Schaumburg CCSD 54, IL (District) |
| Schenectady City School District, NY (District) |
| Schenectady County, NY (ISD) |
| Schenevus Central School District, NY (District) |
| Schertz-Cibolo-U City ISD, TX (District) |
| Schiller Park SD 81, IL (District) |
| Schleicher County, TX (ISD) |
| Schleicher ISD, TX (District) |
| Schleswig Comm School District, IA (District) |
| Schley County, GA (ISD) |
| Schley County, GA (District) |
| Schnee Learning Center, OH (PSA) |
