About This School
St Mary's High School is located in Saint Louis, MO. It is a private school that serves 386 students in grades 9-12. St Mary's High School is all-male and is Roman Catholic in orientation. The school belongs to the National Catholic Educational Association.
In 2010, St Mary's High School had 11 students for every full-time equivalent teacher. The Missouri average is 14 students per full-time equivalent teacher.