| South Texas Educational Technologies Inc, TX (PSA) |
| South Texas ISD, TX (District) |
| South Tippah School Dist, MS (District) |
| South Umpqua Sd 19, OR (District) |
| South Valley Academy, NM (PSA) |
| South Valley Academy Inc., AZ (District) |
| South Valley Prep, NM (PSA) |
| South Valley Special Ed Unit, ND (District) |
| South Vermillion Com Sch Corp, IN (District) |
| South Wasco County Sd 1, OR (District) |
| South Washington County School Dist, MN (District) |
| South Western SD, PA (District) |
| South Whidbey School District, WA (District) |
| South Whittier Elementary, CA (District) |
| South Williamsport Area SD, PA (District) |
