Castleton State College competes in NCAA Division III (with football).
| Name | Participants | |
|---|---|---|
| Men | Women | |
| Baseball | 34 | 0 |
| Basketball | 17 | 15 |
| Field Hockey | 0 | 22 |
| Football | 106 | 0 |
| Golf | 9 | 0 |
| Ice Hockey | 33 | 21 |
| Lacrosse | 32 | 25 |
| Skiing | 17 | 25 |
| Soccer | 26 | 22 |
| Softball | 0 | 18 |
| Tennis | 9 | 9 |
| Track and Field, Indoor | 10 | 14 |
| Track and Field, Outdoor | 20 | 19 |
| Track and Field, X-Country | 15 | 13 |
| Volleyball | 0 | 11 |