| Cooper High School | - | Varsity | Large | 0 | | |
| Coppell High School | - | Varsity | Large | 0 | | |
| Cordova High School | - | Varsity | Large | 0 | | |
| Corinth High School | - | Varsity | Large | 0 | | |
| Corner Canyon High School | - | Varsity | Small | 0 | | |
| Corner Canyon High School | - | Varsity | Large | 0 | | |
| Corner Canyon High School | - | Varsity | Large | 0 | | |
| Covington High School | - | Varsity | Large | 0 | | |
| Crandall High School | - | Varsity | Large | 0 | | |
| Creek Wood High School | - | Varsity | Large | 0 | | |
| Creek Wood High School | - | Varsity | Large | 0 | | |
| Crestview High School | - | Varsity | Large | 0 | | |
| Crimson Cliffs High School | - | Varsity | Large | 0 | | |
| Cullman High School | - | Junior | Large | 0 | | |
| Cullman High School | - | Varsity | Large | 0 | | |
| Cullman High School | - | Varsity | - | 0 | | |
| Cullman High School | - | Varsity | - | 0 | | |
| Cullman High School | - | Varsity | Medium | 0 | | |
| Cumberland County High School | - | Varsity | - | 0 | | |
| Cumberland Gap High School | - | Varsity | Medium | 0 | | |
| Cumberland Valley High School | - | Varsity | Small | 0 | | |
| Cumberland Valley High School | - | Varsity | Large | 0 | | |
| Cumberland Valley High School | - | Varsity | - | 0 | | |
| Currituck County High School | - | Varsity | Large | 0 | | |
| Currituck County High School | - | Varsity | Large | 0 | | |