Contact Us

St. Mary's High School
4701 South Grand Blvd.
Saint Louis, MO 63111
Tel: (314) 481-8400
Main Office Fax: (314) 481-3670
Advancement/Admissions Fax: (314) 333-4233


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

Become A Dragon

To arrange a visit or to receive more information about St. Mary's High School, please complete the Online Inquiry.

Take the first steps to become a dragon!

St. Mary's is Going Green

Learn about ways you can join St. Mary’s in the Going Green Campaign.

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