CBE · Senior High
RegularInternational Baccalaureate (IB)John G. Diefenbaker High School
10-12 · 6620 4 St NW Calgary, AB T2K 1C2
The methodology
The data behind this score
The Roost Rating blends AEAM 50% · PAT 30% · Fraser 20%, plus Roost field research, capped at 95.
Getting in
How enrolment works
- Grades
- 10-12
- Programs
- Regular · International Baccalaureate (IB)
- Address
- 6620 4 St NW Calgary, AB T2K 1C2
CBE schools are assigned by home address. John G. Diefenbaker High School is the designated senior high only if your address falls inside its catchment — confirm yours with an address lookup. Alternative programs are application-based and many run an admission lottery — they are not guaranteed by address.
- Classes & supports
- International Student Program
- English Language Learners — Levels 2 through 5
- Work Experience Program
- Honours
“Honours and International Baccalaureate Program” — John G. Diefenbaker High School's own page
From the school's own CBE page — care arrangements and class placements change; confirm with the school before you decide.
Register through the Calgary Board of Education.
Where John G. Diefenbaker High School is
A map of the school’s location. Your catchment boundary is set by your home address, not the school’s location — look up your address to confirm zoning. Boundary overlay coming soon.
Sources for John G. Diefenbaker High School: Official school page (CBE) · Survey source (SIRR, PDF) · School Development Plan (PDF)
Last updated Jun 2026 · How we score schools