League/State Information
Unionville High School is a member of the American Division of the Ches-Mont League. The school is also a member of the District 1 region of the Pennsylvania Interscholastic Athletic Association (P.I.A.A.).
Unionville High School offers approximately twenty-five (25) different PIAA varsity sports and has given club status to Ice Hockey, Rowing and Rugby.

Ches-Mont League
National Division
- Avon Grove High School
- Bishop Shanahan High School
- Coatesville High School
- Downingtown East High School
- Downingtown West High School
- West Chester East High School
- West Chester Henderson High School
American Division
- Great Valley High School
- Kennett High School
- Oxford Area High School
- Sun Valley High School
- Unionville High School
- West Chester Bayard Rustin High School