St. Joseph's Collegiate Institute, founded in 1861, is an independent Roman Catholic college preparatory school for young men run by the Institute of the Brothers of the Christian Schools in Tonawanda, New York. Established by the De La Salle Brothers, SJCI is chartered by the Board of Regents of New York State and accredited by the Middle States Association of Colleges and Schools. It is a member of the Christian Brothers' Education Association, The College Board, and the National Catholic Educational Association.