| Colbert Heights High School | - | Varsity | Small | 0 | |
| Cold Spring Harbor High School | - | Varsity | Large | 0 | |
| Cold Spring Harbor High School | - | Varsity | - | 0 | |
| Coldspring-Oakhurst High School | - | Varsity | Small | 0 | |
| College of Southern Idaho | - | Junior | - | 0 | |
| College of The Sequoias | - | - | - | 0 | |
| College of The Sequoias | - | - | - | 0 | |
| College of The Sequoias | - | - | - | 0 | |
| College View Middle School | - | Junior | Large | 0 | |
| Colleyville Heritage High School | - | Varsity | Medium | 0 | |
| Collierville High School | - | Varsity | - | 0 | |
| Collierville High School | - | Varsity | - | 0 | |
| Collierville Middle School | - | Junior | Large | 0 | |
| Collierville Middle School | - | Junior | Large | 0 | |
| Colonial High School | - | Varsity | - | 0 | |
| Colonial High School | - | Varsity | - | 0 | |
| Colonial High School | - | Varsity | - | 0 | |
| Colorado School Of Mines | - | - | Small | 0 | |
| Columbia Academy | - | Open | - | 0 | |
| Columbia Academy | - | Junior | - | 0 | |
| Columbia Academy | - | Varsity | Medium | 0 | |
| Columbia Academy | - | Varsity | Small | 0 | |
| Columbia Central High School | - | Junior | - | 0 | |
| Columbia Central High School | - | Junior | - | 0 | |
| Columbia Central High School | - | Varsity | Medium | 0 | |
