| Santa Fe High School | - | Varsity | Medium | 0 | |
| Santa Fe JH School | - | - | Medium | 0 | |
| Santa Fe JH School | - | - | - | 0 | |
| Santa Margarita Cath HS | - | Varsity | Medium | 0 | |
| Santa Margarita Cath HS | - | Varsity | Medium | 0 | |
| Santa Margarita Catholic High School | - | Varsity | Small | 0 | |
| Santa Margarita Catholic High School | - | Varsity | Medium | 0 | |
| Santa Margarita Catholic High School | - | - | - | 0 | |
| Santiago High School | - | Junior Varsity | Large | 0 | |
| Sapphire Cheer and Dance | L1 | Junior | Medium | 0 | |
| Saugus High School | - | Junior | - | 0 | |
| Saugus High School | - | - | - | 0 | |
| Saugus High School | - | Varsity | Small | 0 | |
| Savannah Sharks | L2 | Junior | Small | 0 | |
| Savannah Sharks | L4 | Senior | - | 0 | |
| Savannah Sharks | L3 | Senior | Medium | 0 | |
| Savannah Sharks | L4 | Senior | Medium | 0 | |
| Savannah Sharks | L5 | Senior | - | 0 | |
| Sayville High School | - | Varsity | Medium | 0 | |
| Sayville High School | - | Varsity | Medium | 0 | |
| SC Cheer | L4 | Junior | Medium | 0 | |
| SC Cheer | L1 | Tiny | - | 0 | |
| SC Cheer | L3 | Senior | Medium | 0 | |
| SC Cheer | L1.1 | Junior | - | 0 | |
| 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 | |
| Seabreeze High School | - | Varsity | Medium | 0 | |
| Seaford High School | - | Varsity | Small | 0 | |
| Seckman High School | - | Varsity | Large | 0 | |
| Seckman High School | - | Varsity | Medium | 0 | |
| Seckman High School | - | Varsity | Medium | 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 | |
