The GCIT Cheetahs compete as one of the member schools in the Tri-County Conference, which is comprised of public and parochial 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 1,082 students in grades 10-12, the school was classified by the NJSIAA for the 2019–20 school year as Group IV for most athletic competition purposes, which included schools with an enrollment of 1,060 to 5,049 students in that grade range. The Cheetahs is the name of all GCIT's sporting teams.