Markham, Ontario
Secondary schools in Markham
Compiled by Mahmoud Halat, updated
Short answer
There are 15 high schools in Markham on this map, from open data. York Region Board of Education is the operator on record for 11 of the 15. Each has its address and a directions link.
Data: Open Database of Educational Facilities (ODEF), version 2.1 (OGL-Canada).
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The map does not load without JavaScript. All 15 secondary schools are in the list below.
High schools in Markham
All 15, by name. Check with a place before you go: open data can miss a change.
Bill Crothers Secondary School
44 Main Street, L3R 2E4
Operator on record: York Region Board of Education
Bill Hogarth Secondary School
100 Donald Sim Ave, L6B 0R4
Operator on record: York Region Board of Education
Bur Oak Secondary School
933 Bur Oak Avenue, L6E 1G4
Operator on record: York Region Board of Education
Father Michael McGivney Catholic High School
5300 14th Ave, L3S 3K8
Operator on record: York Catholic District School Board
Markham District High School
89 Church St, L3P 2M3
Operator on record: York Region Board of Education
Markville Secondary School
1000 Carlton Rd, L3P 7P5
Operator on record: York Region Board of Education
Middlefield Collegiate Institute
525 Highglen Ave, L3S 3L5
Operator on record: York Region Board of Education
Milliken Mills High School
7522 Kennedy Rd, L3R 9S5
Operator on record: York Region Board of Education
Pierre Elliott Trudeau High School
90 Bur Oak Ave, L6C 2E6
Operator on record: York Region Board of Education
St Augustine Catholic High School
2188 Rodick Rd, L6C 1S3
Operator on record: York Catholic District School Board
St Brother André Catholic High School
6160 16th Ave E, L3P 3K8
Operator on record: York Catholic District School Board
St Robert Catholic High School
8101 Leslie St, L3T 7P4
Operator on record: York Catholic District School Board
Thornhill Secondary School
167 Dudley Ave, L3T 2E5
Operator on record: York Region Board of Education
Thornlea Secondary School
8075 Bayview Ave, L3T 4N4
Operator on record: York Region Board of Education
Unionville High School
201 Town Centre Blvd, L3R 8G5
Operator on record: York Region Board of Education
Questions people ask
How many high schools are in Markham?
This page lists 15 high schools in Markham, Ontario, from open data (ODEF). Open data can miss a new place or keep one that has closed, so check before you go. #
Who operates the high schools in Markham?
York Region Board of Education is the operator on record for 11 of the 15. York Catholic District School Board is on record for 4. Operators are matched from the source records and may be approximate. #
Data sources
The secondary schools on this page come from these open data sources, each under its own licence. We did not visit or call each place. Operators are matched from the source records and may be approximate.
- Open Database of Educational Facilities (ODEF), version 2.1. Licence: OGL-Canada
Data updated .
More in Markham
Secondary schools in nearby cities
Cite this page
Canada Service Map, "High schools in Markham, ON: 15 locations", updated 14 October 2026, https://canadaservicemap.ca/places/ontario/markham/secondary-schools