Bands
| Title | City | Information | Category |
|---|---|---|---|
| Alice Drive Middle School | Middle School | ||
| Allegro Music Charter School | Charleston | Middle School | |
| Allendale-Fairfax High School | High School | ||
| Allendale-Fairfax Middle School | Middle School | ||
| Alston Middle School | Middle School | ||
| American Leadership Academy | Lexington, SC | Matthew Haight, Director | Charter School, High School, Middle School |
| Anderson Univerity | Anderson | Private College | |
| Andrew Jackson High School | High School | ||
| Andrew Jackson Middle School | Middle School | ||
| Andrews High School | High School |