| South Prairie 70, ND (District) |
| South Putnam Community Schools, IN (District) |
| South Range Local School District, OH (District) |
| South Redford School District, MI (District) |
| South Ripley Com Sch Corp, IN (District) |
| South River Public Schools, NJ (District) |
| South Rock Creek, OK (District) |
| South Routt Re 3, CO (District) |
| South San Antonio ISD, TX (District) |
| South San Francisco Unified, CA (District) |
| South Sanpete District, UT (District) |
| South Scioto Academy, OH (PSA) |
| South Seattle Community College, WA (District) |
| South Seneca Central School District, NY (District) |
| South Shore Charter Public (District), MA (District) |
