East Suburban Catholic Conference
In 1970, Joliet Catholic temporarily left, with four new schools joining: Marist, St. Joseph, St. Patrick, and St. Viator.In 2022, Marian Central Catholic High School in Woodstock IL, withdrew from the conference.[11] The conference sponsors competition for men and women in basketball, cross country, golf, lacrosse, soccer, tennis, track and field, and volleyball.All of these sports have state tournaments sponsored by the Illinois High School Association (IHSA).The following teams, while members of the ESCC, finished in the top four of their respective state tournaments sponsored by the IHSA.