Marist High School was a private Roman Catholic co-educational college preparatory secondary school located in Bayonne, New Jersey, United States, and operated by the Marist Brothers of the Schools, an international religious congregation of educators with schools in over 70 countries. It was located within the Roman Catholic Archdiocese of Newark. The school had been accredited by the Middle States Association of Colleges and Schools Commission on Elementary and Secondary Schools since 1978.