St. Jean Baptiste High School is an American all-female, private, Roman Catholic high school, located on the Upper East Side of the Manhattan borough of New York City, New York. It is administered by the Congregation of Notre Dame of Montreal and located within the Roman Catholic Archdiocese of New York. References External links , the school's official website 1929 establishments in New York City Educational institutions established in 1929 Girls' schools in New York City Roman Catholic secondary schools in Manhattan Upper East Side