Cardinal McCarrick High School was a Catholic secondary school located in South Amboy, New Jersey, that operated under the supervision of the Roman Catholic Diocese of Metuchen. The school closed at the end of the 2014-15 school year, in the wake of an increasing financial deficit. As of the 2009-10 school year, the school had an enrollment of 328 students and 25.6 classroom teachers (on an FTE basis), for a student–teacher ratio of 12.8:1.