Saint Ignatius College Prep is a private, coeducational Jesuit high school located in Chicago, Illinois. The school was founded in Chicago by Fr. Arnold Damen, S.J., a Belgian missionary to the United States. The school is coeducational, Catholic, college preparatory and sponsored by the Society of Jesus (the Jesuits). The school enjoys a strong academic reputation within a faith-supportive school community. It is located in the Roman Catholic Archdiocese of Chicago.