| St. Mary's Dominican High School | - | Varsity | Medium | 0 | | |
| St. Mary's Dominican High School | - | Varsity | Small | 0 | | |
| St. Thomas Aquinas High School | - | Varsity | Small | 0 | | |
| St. Thomas Aquinas High School | - | Varsity | Medium | 0 | | |
| Staley High School | - | Varsity | Medium | 0 | | |
| Staley High School | - | Varsity | Medium | 0 | | |
| Staley High School | - | Varsity | Medium | 0 | | |
| Staley High School | - | Varsity | Medium | 0 | | |
| Standley Lake High School | - | Varsity | Medium | 0 | | |
| Standley Lake High School | - | Varsity | Medium | 0 | | |
| State College High School | - | Varsity | Large | 0 | | |
| Station Camp High School | - | Varsity | Medium | 0 | | |
| Station Camp High School | - | Varsity | Medium | 0 | | |
| Steilacoom High School | - | Varsity | Medium | 0 | | |
| Stewarts Creek High School | - | Varsity | Medium | 0 | | |
| Stewarts Creek High School | - | Junior | - | 0 | | |
| Stone County High School | - | Varsity | - | 0 | | |
| Stoney Creek High School | - | Varsity | - | 0 | | |
| Strath Haven High School | - | Junior | - | 0 | | |
| Strawberry Crest High School | - | Varsity | Medium | 0 | | |
| Summit High School | - | Varsity | Medium | 0 | | |
| Summit High School | - | Varsity | Large | 0 | | |
| Summit High School | - | Varsity | Medium | 0 | | |
| Sumrall High School (USA) | - | Varsity | Small | 0 | | |
| Sumrall High School (USA) | - | Varsity | Large | 0 | | |