High Quality Content by WIKIPEDIA articles! Salesian High School, located in New Rochelle, New York, United States, was founded in 1920 as a private Roman Catholic secondary school for young men in grades 9 through 12. Owned and administered by the Salesian Society of St. John Bosco, a religious order of priests and brothers, Salesian High School is founded on Catholic philosophy and St. John Bosco`s system of education, based on "reason, religion and kindness."