St. John Vianney High School (a.k.a. Vianney High School, or simply Vianney) is a private, all male, Catholic college preparatory high school located in Kirkwood, Missouri. It is located in the Roman Catholic Archdiocese of Saint Louis. The school was founded by the Society of Mary (Marianists), a religious order of priests and brothers who continue to run the school. The Marianists also run a number of other St. Louis area high schools including Chaminade College Preparatory School and St.