| Cottonwood High School | - | Varsity | Medium | 0 | |
| Cottonwood High School | - | Varsity | Medium | 0 | |
| Cowgirl Athletics | L1 | Junior | - | 0 | |
| Cowgirl Athletics | L1 | Junior | Medium | 0 | |
| Cowgirl Athletics | L2 | Senior | - | 0 | |
| Crean Lutheran High School | - | Varsity | Medium | 0 | |
| Crean Lutheran High School | - | Varsity | Medium | 0 | |
| Creek Wood High School | - | Varsity | Large | 0 | |
| Creekside High School | - | Varsity | Medium | 0 | |
| Creekside High School | - | Varsity | Medium | 0 | |
| Creekside High School | - | Varsity | - | 0 | |
| Crestview High School | - | Varsity | Medium | 0 | |
| Crestwood High School | - | Varsity | Small | 0 | |
| Crimson Heat All Stars | L4 | Senior | Medium | 0 | |
| Crimson Heat All Stars | - | Senior | Medium | 0 | |
| Crimson Heat All Stars | L1 | Youth | - | 0 | |
| Crimson Heat All Stars | L1 | Youth | Medium | 0 | |
| Crismon High School | - | Varsity | - | 0 | |
| Crowned Elite Athletics | L2 | Junior | Small | 0 | |
| Crowned Elite Athletics | L4 | U16 | - | 0 | |
| Crush Athletics | L4 | Senior | Medium | 0 | |
| Crush Athletics | L2 | Senior | Medium | 0 | |
| Crush Athletics | L2 | Junior | Small | 0 | |
| Crush Athletics | L2 | Junior | Small | 0 | |
| Crush Athletics | L3 | Junior | Medium | 0 | |
| CSA All Stars | - | Senior | Small | 0 | |
| CSA All Stars | - | Youth | Medium | 0 | |
| CTA Highflyers | L3 | Junior | Medium | 0 | |
| Cullman High School | - | Varsity | Medium | 0 | |
| Cumberland County High School | - | Varsity | Medium | 0 | |
| Cumberland Gap High School | - | Varsity | Medium | 0 | |
| Currituck County High School | - | Varsity | Large | 0 | |
| Currituck County High School | - | Varsity | Medium | 0 | |
| Curry High School | - | Varsity | Medium | 0 | |
| CY-FAIR High School | - | Varsity | Medium | 0 | |
| Cypress High School | - | Varsity | - | 0 | |
| D'Evelyn High School | - | - | - | 0 | |
| D'Evelyn High School | - | Varsity | Medium | 0 | |
| D'Evelyn High School | - | Varsity | Medium | 0 | |
| D'Iberville High School | - | Varsity | Small | 0 | |
| D'Iberville High School | - | Varsity | Small | 0 | |
| Dakota Ridge High School | - | Varsity | Medium | 0 | |
| Dakota Ridge High School | - | Varsity | Medium | 0 | |
| Dakota Ridge High School | - | Varsity | Medium | 0 | |
| Dakota Spirit | L3 | Youth | - | 0 | |
| Dakota Spirit | L5 | Senior | Small | 0 | |
| Dakota Spirit | L1.1 | Youth | Medium | 0 | |
| Dakota Spirit | L1 | Junior | Medium | 0 | |
| Dakota Spirit | L2 | Junior | Medium | 0 | |
| Dakota Spirit | L2 | Junior | Medium | 0 | |
