| Southern Reynolds Co. R-Ii, MO (District) |
| Southern School Dist 1, NE (District) |
| Southern Tioga SD, PA (District) |
| Southern Trinity Joint Unified, CA (District) |
| Southern University Lab School, LA (District) |
| Southern Valley Schools, NE (District) |
| Southern Wells Com Schools, IN (District) |
| Southern Worcester County Regional Vocational Technical, MA (District) |
| Southern York County SD, PA (District) |
| Southfield Public School District, MI (District) |
| Southgate Academy Inc., AZ (District) |
| Southgate Community School District, MI (District) |
| Southgate Independent School District, KY (District) |
| Southington Local School District, OH (District) |
| Southington School District, CT (District) |
