St. John's Jesuit High School & Academy comprises two schools on the same campus: St. John's Jesuit High School (SJJ) and St. John's Jesuit Academy (SJJA). It is located within the Roman Catholic Diocese of Toledo. Both are private, all-male Jesuit schools in Toledo, Ohio.

The Diocese of Toledo in America is a Latin Church ecclesiastical jurisdiction, or diocese, of the Catholic Church covering nineteen counties in northwestern Ohio in the United States.