| Superior School District, WI (District) |
| Superior Unified School District, AZ (District) |
| Suquamish Tribal Education Department, WA (District) |
| Suring Public School District, WI (District) |
| Surprise Valley Joint Unified, CA (District) |
| Surrey 41, ND (District) |
| Surry, VA (District) |
| Surry County, NC (ISD) |
| Surry County Schools, NC (District) |
| Surry Sau Office, NH (District) |
| Surry School Department, ME (District) |
| Surry School District, NH (District) |
| Surry Village Charter School, NH (District) |
| Susanville Elementary, CA (District) |
| Susq-Cyber Cs, PA (District) |
