St. Louis City Schools

St. Mary's High School

PRIVATE Catholic

  • Grades Served: 9 – 12
  • 340 Students (All Boys)
  • Average Class Size: 16
  • Languages Offered: Spanish
  • School Day: 8am – 2:45pm
  • Opened in 1931
  • Tuition Range: $9,800 - $10,080 Per Year Average tuition for local Private Schools: $9,468
  • The cost includes a $325 Chrome Book for Freshman and $340 Registration fee.
  • 50% of students receive Financial Aid
  • Uniform Required
  • "St. Mary's is a Catholic high school educating young men in a Marianist Tradition."
  • Notable Alumni: John Carenza, Joe Garagiola, Robert R. Heine, Denny Long, Francis G. Slay, John Collins-Muhammad, John Berner, Charlie Barrale
  • 61 college credit hours are available through Saint Louis University, Fontbonne University, and Meramec Community College.
  • "By fostering unique gifts and talents, we empower young men from all backgrounds to create opportunities for themselves, their families, and their communities."
  • "We offer an innovative 4-year student leadership program, which combines coursework, seminars, retreats, and internship experiences to help form the leaders of tomorrow."
  • Extracurriculars: Art, Bocce, Bowling, Chess, Debate, Film, Fellowship of Christian Athletes, Ice Hockey, Lacrosse, Math & Science Clubs, Media, Paintball, Robotics, Rubic's Cube, Scholar Bowl, Theater, Yearbook
  • Special Education: Learning Consultant Program
  • Parent Involvement: "St. Mary's welcomes and encourages maximum engagement with parents/guardians of students through Mothers Club/ Fathers Club/ Coaching Opportunities/ Annual Auction, etc."



There are no reviews yet for this school.

Add a Review


  • Highly Diverse Economically30% of students qualify for Free or Reduced Lunch
  • Somewhat Diverse Racially

Test Scores

In 2019, the Average ACT Score for students was 22 22

Is any of this information incorrect, outdated, or missing? Is there something we should add or change? Let us know!

Events & Important Dates

No events or dates have been added for this school.

Add an Event/Date