| Scarsdale High School | - | Varsity | Medium | 0 | | |
| Scott High School | - | Varsity | Medium | 0 | | |
| Scottsboro High School | - | Varsity | Medium | 0 | | |
| Scurry-Rosser High School | - | Varsity | Medium | 0 | | |
| SCV All Stars | L4 | Senior | Small | 0 | | |
| SCV All Stars | L2 | Senior | Medium | 0 | | |
| SCV All Stars | L1 | Senior | Small | 0 | | |
| Seaford High School | - | Varsity | Medium | 0 | | |
| Seckman High School | - | Varsity | Large | 0 | | |
| Seckman High School | - | Varsity | Medium | 0 | | |
| Seckman High School | - | Varsity | Large | 0 | | |
| Seminary High School | - | Varsity | Medium | 0 | | |
| Seminary High School | - | Varsity | Medium | 0 | | |
| Senatobia High School | - | Varsity | Small | 0 | | |
| Senatobia High School | - | Varsity | Medium | 0 | | |
| Senatobia High School | - | Varsity | Medium | 0 | | |
| Senatobia High School | - | Varsity | Medium | 0 | | |
| Seneca Valley High School | - | Varsity | Medium | 0 | | |
| Seneca Valley High School | - | Varsity | Small | 0 | | |
| Senior Red | - | Senior | Medium | 0 | | |
| Sequoyah High School | - | Varsity | Medium | 0 | | |
| Serenity Athletics | L1 | Junior | Medium | 0 | | |
| Serenity Athletics | L2 | Junior | Small | 0 | | |
| Seton Catholic High School | - | Varsity | - | 0 | | |
| Severance High School | - | Varsity | Medium | 0 | | |
| Sevier County High School | - | Varsity | Small | 0 | | |
| Seymour High School | - | Varsity | Medium | 0 | | |
| Seymour High School | - | Varsity | Medium | 0 | | |
| Seymour High School | - | Varsity | - | 0 | | |
| Shadow Hills High School | - | - | Medium | 0 | | |
| Shadow Hills High School | - | Varsity | Small | 0 | | |
| Shadow Ridge High School | - | Junior Varsity | Small | 0 | | |
| Shelby County High School | - | Varsity | Medium | 0 | | |
| Shelby Valley High School | - | Varsity | Medium | 0 | | |
| Shelby Valley High School | - | Varsity | Large | 0 | | |
| Shiloh Christian High School | - | Varsity | Large | 0 | | |
| Shiloh Christian High School | - | Varsity | Medium | 0 | | |
| Shine Athletics | L1 | Junior | Medium | 0 | | |
| Shine Athletics | L3 | Senior | Medium | 0 | | |
| Shine Athletics | L3 | Junior | Medium | 0 | | |
| Shine Athletics | L2 | Youth | Medium | 0 | | |
| Shine Athletics | L3 | Youth | Medium | 0 | | |
| Shine Athletics | L1 | Youth | Medium | 0 | | |
| Shine Athletics | L2 | Junior | Medium | 0 | | |
| Shine Athletics | L3 | Junior | Medium | 0 | | |
| Shine Athletics | L3 | Senior | Medium | 0 | | |
| Shine Athletics | L2 | Junior | Medium | 0 | | |
| Shine Athletics | L4 | Senior | Medium | 0 | | |
| Shine Athletics | L4 | Senior | Medium | 0 | | |
| Shine Athletics | L3 | Senior | Medium | 0 | | |