The Mount is a member of the New Jersey State Interscholastic Athletic Association as well as the New Jersey Independent Schools Athletic Association. This means that we compete in the N.J.S.I.A.A. as a Parochial A school and in the N.J.I.S.A.A. as a Division A school. In track, we compete in the N.J.S.I.A.A. as a Parochial B school.
All Mount teams are highly competitive and tryouts are held annually for each squad. The number of student-athletes selected varies from sport to sport. Tryout dates are in accordance with the N.J.S.I.A.A. regulations.