Important Dates

  • Thursday, September 15: Premier Charter School 
St. Mary's is participating in the following Archdiocesan High School Nights.
  • Thursday, September 22: Incarnate Word Academy
  • Monday, October 3: St. Louis University High School
  • Wednesday, October 12: St. John Vianney High School 

Each Archdiocesan High School Night event will include a Welcome Fair from 6:00-7:00 pm, where families can stop by school tables to get general information. Then guests can choose from three 15-minute school presentations from 7:00-8:00 pm.  Families with students in grades 5-8 are invited to attend; no prior registration is necessary. Families will complete a short registration when they arrive.
Sunday, November 6, 2022
11:00 am - 2:00 pm

We hope you will consider visiting St. Mary's High School for our annual Open House. We are excited for families to see our campus! From physical improvements in our main building to our faculty's continuous accolades regarding their teaching skills, St. Mary's keeps getting better! If you have not visited us in a while, plan to make this one of your high school visits. It will be worth your time!
  • Tour the School and Athletic Facilities
  • You can meet with our Administrative Team, Teachers, Parents, and Students
  • Enjoy Food and Drink
  • Participate in Student Activities
  • Win a $1000 scholarship for attending!
If you have questions regarding Open House festivities, please contact Sam Carel, Admissions Director, at 314.481.8400 ext. 110 or [email protected]

 Sep 8  Shadow Program begins
 Select a date for your son HERE!
 Sep 23  Game Night for Future Dragons
 Sep 30  Be A Dragon For A Day 
 Oct 3  Archdiocesan Portal OPENS for Online Applications
 (Parish School Students Only)
 Nov 6  St. Mary's Open House: 11:00 am - 2:00 pm
 Sep 10 - Dec 3
 St. Mary's is open for Private Tours from 9:00 am - 12:00 pm.
 Select a date for your private tour HERE!
 Nov 14  Archdiocesan Portal CLOSES
 TBD  Admission Interviews
 Jan 27
 Acceptance Notification
 TBD  Incoming Freshmen Registration Night
 TBD  Be A Dragon For A Day: Spring 2023
 TBD  FACTS Tuition Assistance Applications DUE
 TBD  Incoming Freshmen Mass & Breakfast
 May  Notification of Tuition Assistance Awards