Annual Catholic Appeal

Your donation to the ACA directly impacts St. Mary's High School.

Click here to read some of the ways the Annual Catholic Appeal has helped St. Mary’s become the special place it is.  Please support the ACA and you will directly impact the lives of our students.  Join us and Come Together in Christ.

Don’t forget to check with your employer for matching gifts. With your donation to the ACA, your employer may match the funds and direct this part of the donation directly to St. Mary’s High School. If you have any questions feel free to contact the Office of Advancement at 314-481-8400 or at

Support St. Mary's

Give Online Now

A Marianist Education

Catholic High School serving young men in the Marianist tradition.

Characteristics of Marianist Education (CME):

  • Educate for formation in faith
  • Provide an integral, quality education
  • Educate in family spirit
  • Educate for service, justice and peace
  • Educate for adaptation and change