Immaculate Heart High School is a co-ed Catholic school in Oro Valley, Arizona (a suburb of Tucson). It is located in the Roman Catholic Diocese of Tucson. The high school is part of a larger campus that includes an elementary and middle school. However, the high school is governed by a Board of Managers consisting of community leaders and businessmen along with a president and principal. The elementary and middle schools are governed by a different president and principal and are independentof the IHHS Board of Managers. All three campuses are the focus and mission of Sisters of the Immaculate Heart of Mary. The school bills itself as a small, close-knit campus with a focus on college preparatory curriculum.