Immaculate Conception High School (ICHS) is an American private, Roman Catholic, all-girls college-preparatory high school located in Lodi, in Bergen County, New Jersey, United States. The school operates under the jurisdiction of the Roman Catholic Archdiocese of Newark. The school was founded in 1915 by the Felician Sisters. ICHS has been accredited by the Middle States Association of Colleges and Schools Commission on Elementary and Secondary Schools since 1961.