The Archdiocese of Chicago serves more than 2.2 million Catholics in Cook and Lake Counties in Northeastern Illinois, a geographic area of 1,411 square miles. The Archdiocese is divided into six vicariates and 31 deaneries. This local church is pastored by Cardinal Blase J. Cupich, assisted by six Episcopal Vicars, each responsible for a vicariate (region).
The Archdiocese of Chicago School System is the largest Catholic school system in the United States. It is the largest private school system in the country. It serves the city of Chicago as well as Cook and Lake Counties, has approximately 55,000+ students in its over 200+ elementary and secondary schools. The AOC schools have been the recipient of the greatest number of Blue Ribbon Awards of any school system in the nation.
Our Catholic Schools are a living response to the church’s mission and they work with parents/guardians as partners in the academic education and faith development of their children. AOC Catholic Schools are accredited by the Archdiocese and the State of Illinois.