Marian Central Catholic High School  Marian Central Catholic High School is a private, Roman Catholic high school in Woodstock, Illinois, United States. It is located in the Roman Catholic Diocese of Rockford. Marian has won the following state team championships: girls volleyball (2015 Class 3A State Champions), girls cross country (1998 Class A State Champions), and football in the 1980s when the team won 4 State Championships.