Loyola School is an American Jesuit high school on the Upper East Side of the Manhattan borough of New York City New York, founded in 1900 by the Society of Jesus. It is located two city blocks east of Central Park and Museum Mile on 83rd Street and Park Avenue. Originally a Catholic boys' school, it became coJesuit co-educational college preparatory high school in the tri-state area. The school has a student enrollment of two hundred, with an average class size of fifteen students.