 The Morris Catholic High School Crusaders compete in the Northwest Jersey Athletic Conference which comprises 39 public and parochial high schools covering Morris County, Sussex County and Warren County, and operates under the jurisdiction of the New Jersey State Interscholastic Athletic Association (NJSIAA).Prior to the NJSIAA's 2010 realignment, he school had participated in the Colonial Hills Conference which included public and parochial high schools covering Essex County, Morris County and Somerset County in west Central Jersey.The interscholastic sports that Morris Catholic offers are men's and women's soccer, football, women's volleyball, men's and women's basketball, wrestling, ice hockey, winter and spring track and field, men's and women's lacrosse, baseball, softball, fencing, and golf.