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. According to the School's mission statement, "Marian shares with parents and the parishes of the McHenry Deanery in the teaching mission of the Church, and preparing students for a life of intellectual pursuit." The school's curriculum provides students with a college preparatory education "infused with Catholic Christian values, designed to promote religious, spiritual, intellectual, physical, social, and emotional development." Marian was one of only five Catholic high schools in Illinois among the top 50 in 2005.