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Maps and Directions

St. Mary's High School is situated on a beautiful 27 acre campus in south St. Louis city's Dutchtown neighborhood. It is located on the northwest corner of Delor Ave and South Grand Blvd. It is easily accessible from both Interstate 55 and Interstate 44 and is conveniently located near the major streets of Gravois Ave, Morganford Rd, Chippewa St and Kingshighway Blvd.

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

10 Minutes from Highway 55 and 270
10 Minutes from Jamieson and Highway 44
20 Minutes from Highway 270 and 40 

Click here to view map or see below.

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!