Between 1984 and 2004, the Office of Catholic Schools closed 148 schools and 10 school sites. An August 27, 2015, article in the "Chicago Tribune" refers to the Archdiocese of Chicago Office of Catholic Schools as the largest private school system in the United States. At the outset of the 2020/21 academic year, the archdiocese ran 160 elementary schools and three high schools. An additional eight Catholic elementary schools and 28 Catholic high schools that are not archdiocesan-run are located within the Archdiocese of Chicago. , the Superintendent of Catholic Schools is Jim Rigg, Ph.D.