| Sedgwick School Department, ME (District) |
| Sedona Charter School Inc., AZ (PSA) |
| Sedona-Oak Creek Jusd #9, AZ (District) |
| Sedro-Woolley School District, WA (District) |
| Seed School Of Maryland, MD (District) |
| Seeds Of Health Elementary Program Agency, WI (District) |
| Seeds of Health Inc, WI (PSA) |
| Seekonk, MA (District) |
| Seeley Lake Elem, MT (District) |
| Seeley Union Elementary, CA (District) |
| Segue Institute For Learning, RI (PSA) |
| Seguin ISD, TX (District) |
| Seiad Elementary, CA (District) |
| Seiling, OK (District) |
| Sejong Academy of Minnesota, MN (PSA) |
