Schools
All schools
Only schools that competed in 2026-27
| School Name | State | Teams |
|---|---|---|
| Southeastern | OH | 1 |
| Southern Boone High School | MO | 1 |
| Southern Illinois University-Edwardsville | IL | 1 |
| Southside Christian School | SC | 1 |
| Southside High School | SC | 4 |
| Southwestern | IL | 3 |
| Sowrish | NC | 1 |
| Sparkman High School | AL | 2 |
| Spartanburg High School | SC | 2 |
| Spokane | MO | 1 |
| Spring Branch Institute | TX | 1 |
| Spring Early College Academy | TX | 2 |
| Spring Valley High School | SC | 1 |
| Springboro | OH | 1 |
| Springfield Central | MO | 2 |
| Springfield High School | IL | 3 |
| St. Albans | WV | 2 |
| St. Andrew's | MD | 1 |
| St. Andrew's Episcopal School | MD | 1 |
| St. Anselm's | MD | 1 |