Joliet Catholic Academy (Joliet Catholic or JCA) is a coed Catholic High School located in Joliet, Illinois. It is located in the Roman Catholic Diocese of Joliet. One of the oldest Catholic high schools in the Chicago area, Joliet Catholic is perhaps best known for its prowess in football. Since the advent of the Illinois High School Association (IHSA) state football playoffs in 1974, JCA has won more state football titles than any other team in the state, with 13 as of 2007.