Saint Joseph Regional High School (known as SJR, St. Joe's or Joe's) is a private, Roman Catholic, college preparatory school for boys, located on a 33-acre (130,000 m2) campus in Montvale, in Bergen County, New Jersey, United States. The school operates under the auspices of the Roman Catholic Archdiocese of Newark. St. Joseph Regional High School was founded in 1962 by the Brothers of Saint Francis Xavier. The school has been accredited by the Middle States Association of Colleges and Schools Commission on Elementary and Secondary Schools since 1968.