Bands
| Title | City | Information | Category |
|---|---|---|---|
| Sanders Middle School | Middle School | ||
| Sanders-Clyde Creative Arts Middle School | Charleston | Middle School | |
| Sandhills Middle School | Middle School | ||
| Sandy Run School | Elementary School, Middle School | ||
| Sangaree Middle School | Ladson | Middle School | |
| Schofield Middle School | Middle School | ||
| Scott’s Branch High School | High School | ||
| Scott’s Branch Middle School | Middle School | ||
| Sedgefield Middle School | Middle School | ||
| Seneca Middle School | Middle School |