| Coppinville JH School | - | Junior | Small | 0 | | |
| Coral Reef High School | - | Varsity | - | 0 | | |
| Corbin Middle School | - | Junior | Large | 0 | | |
| Corbin Middle School | - | Junior | - | 0 | | |
| Core Athletix | L2 | Junior | Small | 0 | | |
| Core Athletix | L2 | Junior | Small | 0 | | |
| Core Athletix | L2 | Junior | Small | 0 | | |
| Core Athletix | L2 | Junior | Medium | 0 | | |
| Core Athletix | L1 | Junior | Small | 0 | | |
| Core Athletix | L3 | Junior | Small | 0 | | |
| Core Athletix | L3 | Junior | Small | 0 | | |
| Core Athletix | L3 | Junior | Small | 0 | | |
| Core Athletix | L2 | Junior | Small | 0 | | |
| Core Athletix | L2 | Junior | Small | 0 | | |
| Core Athletix | L4 | Junior | Small | 0 | | |
| Core Athletix | L1 | Junior | Small | 0 | | |
| Core Athletix Rochester | - | Junior | Small | 0 | | |
| Core Athletix Rochester | - | Junior | Small | 0 | | |
| Core Athletix Syracuse | L1 | Junior | Small | 0 | | |
| Corinth Middle School | - | Junior | - | 0 | | |
| Corinth Middle School | - | Junior | - | 0 | | |
| Corner Canyon High School | - | Varsity | Small | 0 | | |
| Corner Canyon High School | - | Junior | - | 0 | | |
| Corner Middle School | - | Junior | Large | 0 | | |
| Cornerstone Christian School | - | - | Medium | 0 | | |
| Cornerstone Christian School | - | Junior | Small | 0 | | |
| Cornerstone Christian School | - | Junior | Small | 0 | | |
| Cornerstone Classical Academy | - | Junior | - | 0 | | |
| Corona Del Sol High School | - | Varsity | Medium | 0 | | |
| Corona Del Sol High School | - | Junior | - | 0 | | |
| Corona Del Sol High School | - | Junior | - | 0 | | |
| Corona Del Sol High School | - | Junior | Large | 0 | | |
| Corona Stars Cheer | - | Junior | Small | 0 | | |
| Corona Stars Cheer | L3 | Junior | Small | 0 | | |
| Corona Stars Cheer | L2 | Junior | Small | 0 | | |
| Coronado High School | - | Junior | - | 0 | | |
| Coronado High School | - | Varsity | Medium | 0 | | |
| Coronado High School | - | Varsity | Medium | 0 | | |
| Corpus Christi All Stars | - | Junior | Small | 0 | | |
| Corsicana Tumbling Athletics | L1 | Mini | - | 0 | | |
| Corsicana Tumbling Athletics | L2 | Junior | - | 0 | | |
| Cosmic All Stars | L2 | Junior | - | 0 | | |
| Cosmic All Stars | L1 | Junior | - | 0 | | |
| Cosmic Flames Allstars | L2 | Junior | - | 0 | | |
| Cosmic Flames Allstars | L1 | Junior | Medium | 0 | | |
| Cosmic Flames Allstars | L3 | Junior | - | 0 | | |
| Cosmic Vison Allstars | L2 | Junior | - | 0 | | |
| Cougars Competitive Cheer | L1 | Junior | - | 0 | | |
| Cougars Elite Cheerleading | L1 | Junior | - | 0 | | |
| Cougars Elite Cheerleading | L2 | Junior | - | 0 | | |