Gloucester Catholic High School Rams compete as one of the member schools in the Tri-County Conference, which is comprised of public and private high schools located in Camden, Cape May, Cumberland, Gloucester and Salem counties. The conference is overseen by the New Jersey State Interscholastic Athletic Association (NJSIAA). With 333 students in grades 10–12, the school was classified by the NJSIAA for the 2019–20 school year as Non-Public B for most athletic competition purposes, which included schools with an enrollment of 37 to 366 students in that grade range (equivalent to Group I for public schools). The football team competes in the Classic Division of the 95-team West Jersey Football League superconference and was classified by the NJSIAA as Non-Public Group II for football for 2018–2020.