Xaverian is a private Catholic school located in Brooklyn, NY. Grades 9-12 offer a college prep program and grades 6-8 are a middle school. The school was founded in 1957 by the Xaverian Brothers. The school is a member of the Catholic High School Athletic Association (CHSAA). Xaverian is governed by a President and Board of Trustees.It is operated independently of the Roman Catholic Diocese of Brooklyn.