St. Mary's High School is a IB school in Calgary, Canada. Founded in 1885.
Location & Getting There
NanaSays Scorecard
Est. 1885
Year Founded
Boarding Available
Key Details
Curricula Offered
IBYes
Accreditations
IB
Languages of Instruction
English
Key facts
Founded
1885
About
St. Mary's High School is a secondary school in Calgary, Alberta, Canada. It is operated by the Calgary Catholic School District (CCSD). The school is well known in Calgary for its historical significance. It attracts significant numbers of students from throughout the city, even those closer to other Catholic high schools, who wish to take advantage of programs not offered in their local high school. Also, for some, it is a tradition to attend the same school as their parents and grandparents.
School data verified by NanaSays. Last updated: April 2026.
School Background
Governance & Ownership
public
Frequently Asked Questions
Contact the admissions office at St. Mary's High School directly for current fee information.