| Ranchview High School | - | Varsity | Small | 0 | | |
| Ranchview High School | - | Varsity | - | 0 | | |
| Randolph High School | - | Varsity | Medium | 0 | | |
| Randolph High School | - | Varsity | Small | 0 | | |
| Randolph High School | - | Varsity | Medium | 0 | | |
| Randolph High School | - | Varsity | Large | 0 | | |
| Randolph High School | - | Varsity | Small | 0 | | |
| Rangeview High School | - | Varsity | Small | 0 | | |
| Rangeview High School | - | Varsity | Medium | 0 | | |
| Ravenwood High School | - | Varsity | Medium | 0 | | |
| Ravenwood High School | - | Varsity | Medium | 0 | | |
| Ravenwood High School | - | Varsity | Medium | 0 | | |
| Ravenwood High School | - | Varsity | Medium | 0 | | |
| Ravenwood High School | - | Junior | Small | 0 | | |
| Ravenwood High School | - | Varsity | Medium | 0 | | |
| Ray High School | - | Varsity | Small | 0 | | |
| Raymore Peculiar High School | - | Varsity | Large | 0 | | |
| Raymore Peculiar High School | - | Varsity | - | 0 | | |
| Raymore Peculiar High School | - | Varsity | - | 0 | | |
| Red Bay High School | - | Varsity | Small | 0 | | |
| Red Bay High School | - | Varsity | - | 0 | | |
| Red Bay High School | - | Varsity | - | 0 | | |
| Red Land High School | - | Varsity | Small | 0 | | |
| Red Mountain High School | - | - | - | 0 | | |
| Red Mountain High School | - | Varsity | - | 0 | | |
| Red Mountain High School | - | Varsity | Small | 0 | | |
| Red Mountain High School | - | Varsity | - | 0 | | |
| Red Oak High School | - | Varsity | - | 0 | | |
| Red Oak High School | - | Varsity | Large | 0 | | |
| Red Oak High School | - | Varsity | - | 0 | | |
| Red Oak High School | - | Varsity | - | 0 | | |
| Red River High School | - | Varsity | Small | 0 | | |
| Redlands East Valley High School | - | Varsity | Medium | 0 | | |
| Redlands East Valley High School | - | Varsity | Medium | 0 | | |
| Redlands High School | - | Varsity | - | 0 | | |
| Redlands High School | - | Varsity | Small | 0 | | |
| Redlands High School | - | Junior | Small | 0 | | |
| Redondo Union High School | - | Junior | - | 0 | | |
| Redondo Union High School | - | Junior Varsity | - | 0 | | |
| Redondo Union High School | - | Varsity | - | 0 | | |
| Redwater High School | - | - | - | 0 | | |
| Redwater High School | - | Varsity | Medium | 0 | | |
| Redwater High School | - | Varsity | Medium | 0 | | |
| Redwood High School | - | Varsity | Small | 0 | | |
| Reedley High School | - | Varsity | - | 0 | | |
| Reno High School | - | Varsity | - | 0 | | |
| Reno High School | - | - | - | 0 | | |
| Reseda High School | - | Varsity | - | 0 | | |
| Reseda High School | - | Varsity | - | 0 | | |
| Reynolds High School | - | Varsity | Large | 0 | | |