| Seven Lakes High School | - | Varsity | - | 0 | | |
| Seven Lakes High School | - | Varsity | - | 0 | | |
| Seymour High School | - | Varsity | - | 0 | | |
| Shadow Ridge High School | - | Varsity | Small | 0 | | |
| Sharyland Pioneer High School | - | Varsity | Large | 0 | | |
| Sharyland Pioneer High School | - | Varsity | - | 0 | | |
| Shawnee Mission East High School | - | Varsity | Large | 0 | | |
| Shawnee Mission East High School | - | Varsity | Large | 0 | | |
| Shawnee Mission East High School | - | Varsity | Large | 0 | | |
| Shawnee Mission East High School | - | Varsity | Large | 0 | | |
| Sheboygan South High School | - | Varsity | Small | 0 | | |
| Shelby Valley High School | - | Varsity | Large | 0 | | |
| Shiloh Christian High School | - | Varsity | Large | 0 | | |
| Sierra Pacific High School | - | Varsity | Large | 0 | | |
| Sierra Vista High School | - | Varsity | Large | 0 | | |
| Silsbee High School | - | Varsity | - | 0 | | |
| Simon Kenton High School | - | Varsity | Large | 0 | | |
| Simon Kenton High School | - | Varsity | Medium | 0 | | |
| Simon Kenton High School | - | Varsity | Medium | 0 | | |
| Sky View High School | - | Varsity | Large | 0 | | |
| Skyline High School | - | Varsity | Medium | 0 | | |
| Skyline High School | - | Varsity | Large | 0 | | |
| Slidell High School | - | Varsity | Large | 0 | | |
| Slidell High School | - | Varsity | - | 0 | | |
| Smithson Valley High School | - | Varsity | Large | 0 | | |