St. John Vianney High School (a.k.a. Vianney High School, or simply Vianney) is a private, all-male Catholic college preparatory school in Kirkwood, Missouri. The school was opened in 1960 by the Society of Mary (Marianists), a religious order of priests and brothers who continue to run the school, and is part of the Roman Catholic Archdiocese of Saint Louis, along with the Marianists' Chaminade College Preparatory School and St. Mary's High School.