| Columbia Academy | - | Varsity | Small | 0 | | |
| Columbia Central High School | - | Varsity | Medium | 0 | | |
| Columbine High School | - | Varsity | Small | 0 | | |
| Columbine High School | - | Junior | Small | 0 | | |
| Columbus High School | - | Varsity | Medium | 0 | | |
| Columbus Power Elite | L3 | Junior | Small | 0 | | |
| Columbus Power Elite | - | Junior | Small | 0 | | |
| Columbus Power Elite | L2 | Junior | - | 0 | | |
| Columbus Power Elite | L1 | Junior | Small | 0 | | |
| Columbus Power Elite | L1 | Junior | Small | 0 | | |
| Columbus Power Elite | L2 | Senior | Small | 0 | | |
| Columbus Power Elite | L4 | Senior | - | 0 | | |
| Columbus Power Elite | - | Youth | Medium | 0 | | |
| Columbus Power Elite | L4 | Senior | Small | 0 | | |
| Columbus Power Elite | L3 | Junior | - | 0 | | |
| Columbus Power Elite | L2 | Junior | Small | 0 | | |
| Columbus Power Elite | L3 | Senior | Small | 0 | | |
| Combs High School | - | Varsity | Small | 0 | | |
| Comfort High School | - | Varsity | Small | 0 | | |
| Comfort High School | - | Varsity | Small | 0 | | |
| Competitive Edge Training Academy | L4 | Senior | - | 0 | | |
| Competitive Edge Training Academy | L2 | Youth | Small | 0 | | |
| Competitive Edge Training Academy | L3 | Junior | Small | 0 | | |
| Competitive Sports Complex | L1 | Youth | - | 0 | | |
| Competitive Sports Complex | L1 | Youth | - | 0 | | |
| Competitive Sports Complex | L3 | Junior | Small | 0 | | |
| Competitive Sports Complex | L3 | Junior | Small | 0 | | |
| Comsewogue High School | - | Varsity | Small | 0 | | |
| Comsewogue High School | - | Varsity | Small | 0 | | |
| Concordia University Wisconsin | - | Open | Small | 0 | | |
| Conley High School | - | Junior | Small | 0 | | |
| Connect Cheer | L5 | Senior | Small | 0 | | |
| Connect Cheer | L5 | Senior | Small | 0 | | |
| Connect Cheer Northwest | L5 | Senior | Small | 0 | | |
| Connect Cheer Northwest | L5 | Senior | Small | 0 | | |
| Connect Cheer Northwest | L3 | Junior | Small | 0 | | |
| Connect Cheer Northwest | L1 | Junior | Small | 0 | | |
| Connect Cheer Northwest | L3 | Junior | Small | 0 | | |
| Connect Cheer Northwest | L1 | Mini | Small | 0 | | |
| Connect Cheer Northwest | L2 | Junior | Small | 0 | | |
| Connect Cheer Northwest | L3 | Youth | Small | 0 | | |
| Connect Cheer Northwest | L4.2 | Senior | Small | 0 | | |
| Connect Cheer Northwest | L5 | Senior | Small | 0 | | |
| Connect Cheer Northwest | L4 | Junior | Small | 0 | | |
| Connect Cheer Northwest | L3 | Senior | Small | 0 | | |
| Connect Cheer Northwest | L2 | Youth | Small | 0 | | |
| Conner High School | - | Varsity | Small | 0 | | |
| Connersville High School | - | Varsity | Small | 0 | | |
| Connetquot High School | - | Varsity | Small | 0 | | |
| Connors State College | - | - | Small | 0 | | |
| Connors State College | - | Junior | - | 0 | | |
| Cookeville High School | - | Varsity | Small | 0 | | |
| Cool-Image Cheer | L3 | Junior | Small | 0 | | |
| Cool-Image Cheer | L2 | Youth | - | 0 | | |
| Cooper High School | - | Varsity | - | 0 | | |
| Cooper High School | - | Junior | Small | 0 | | |
| Coppell High School | - | Junior Varsity | Small | 0 | | |
| Copper Hills High School | - | Junior | - | 0 | | |
| Coppinville JH School | - | Junior | Small | 0 | | |
| Coral Springs Charter School* | - | Varsity | Small | 0 | | |
| Coral Springs High School | - | Varsity | Small | 0 | | |
| Coral Springs High School | - | Varsity | Small | 0 | | |
| Corbin High School | - | Varsity | Small | 0 | | |
| Cordova High School | - | Varsity | Small | 0 | | |
| Cordova High School | - | Varsity | Large | 0 | | |
| Cordova High School | - | Varsity | Small | 0 | | |
| Core Athletix | L2 | Junior | Small | 0 | | |
| Core Athletix | - | Senior | Small | 0 | | |
| Core Athletix | L2 | Junior | Small | 0 | | |
| Core Athletix | L3 | Junior | Small | 0 | | |
| Core Athletix | L3 | Senior | Small | 0 | | |
| Core Athletix | L2 | Junior | Medium | 0 | | |
| Core Athletix | L1 | Tiny | - | 0 | | |
| Core Athletix | L1 | Junior | Small | 0 | | |
| Core Athletix | L4 | Senior | 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 | L2 | Senior | Small | 0 | | |
| Core Athletix | L4 | Junior | Small | 0 | | |
| Core Athletix | L1 | Junior | Small | 0 | | |
| Core Athletix | L1 | Mini | - | 0 | | |
| Core Athletix Rochester | - | Junior | Small | 0 | | |
| Core Athletix Rochester | - | Junior | Small | 0 | | |
| Core Athletix Syracuse | L2 | Youth | Small | 0 | | |
| Core Athletix Syracuse | L2 | Senior | Small | 0 | | |
| Core Elite | L3 | Senior | Small | 0 | | |
| Corinth Holders High School | - | Varsity | Small | 0 | | |
| Corinth Holders High School | - | Varsity | Small | 0 | | |
| Corner Canyon High School | - | Varsity | Small | 0 | | |
| Corner Canyon High School | - | Junior | - | 0 | | |
| Cornerstone Charter Academy | - | Varsity | Small | 0 | | |
| Cornerstone Christian School | - | - | Medium | 0 | | |
| Cornerstone Christian School | - | Varsity | Small | 0 | | |
| Cornerstone Christian School | - | Junior | Small | 0 | | |
| Cornerstone Christian School | - | Junior Varsity | Small | 0 | | |
| Cornerstone Christian School | - | Junior | Small | 0 | | |
| Corona Del Sol High School | - | Junior | - | 0 | | |