Schools
All schools
Only schools that competed in 2026-27
| School Name | State | Teams |
|---|---|---|
| Camp Hill | PA | 2 |
| Campolindo | CA | 1 |
| Canadian International School of Singapore | Unknown | 1 |
| Canadian International Singapore | Unknown | 2 |
| Canton | MO | 1 |
| Canyon Crest | CA | 2 |
| Capital City | MO | 3 |
| Caprock | CO | 2 |
| Carbondale | IL | 1 |
| Carl Sandburg | IL | 3 |
| Carlinville | IL | 1 |
| Carlisle | PA | 3 |
| Carmel High School | IN | 5 |
| Carmel Valley | CA | 1 |
| Carnegie Vanguard | TX | 1 |
| Carrboro | NC | 1 |
| Carroll County | VA | 2 |
| Carroll County M | VA | 1 |
| Carroll County Middle | VA | 1 |
| Cary Academy | NC | 1 |