--- title: "High schools in Markham, ON: 15 locations" url: "https://canadaservicemap.ca/places/ontario/markham/secondary-schools" description: "15 high schools in Markham, Ontario, each with its address, its operator on record and a directions link. From open data (ODEF), updated 14 October 2026." site: "Canada Service Map" author: "Mahmoud Halat" publisher: "Space & Story" updated: "2026-10-14" licence: "Built entirely from public data: open data and official government pages. Each record keeps the licence of its source, listed at https://canadaservicemap.ca/data." --- # Secondary schools in Markham Markham, Ontario Compiled by Mahmoud Halat, updated 14 October 2026. Not a government website. The official page always has the final word. 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. ## High schools (15) - **Bill Crothers Secondary School**: 44 Main Street, L3R 2E4. Operator on record: [York Region Board of Education](https://canadaservicemap.ca/bodies/york-region-board-of-education). [Directions](https://www.google.com/maps/dir/?api=1&destination=43.8583,-79.31) - **Bill Hogarth Secondary School**: 100 Donald Sim Ave, L6B 0R4. Operator on record: [York Region Board of Education](https://canadaservicemap.ca/bodies/york-region-board-of-education). [Directions](https://www.google.com/maps/dir/?api=1&destination=43.89288,-79.2304) - **Bur Oak Secondary School**: 933 Bur Oak Avenue, L6E 1G4. Operator on record: [York Region Board of Education](https://canadaservicemap.ca/bodies/york-region-board-of-education). [Directions](https://www.google.com/maps/dir/?api=1&destination=43.8973,-79.2787) - **Father Michael McGivney Catholic High School**: 5300 14th Ave, L3S 3K8. Operator on record: [York Catholic District School Board](https://canadaservicemap.ca/bodies/york-catholic-district-school-board). [Directions](https://www.google.com/maps/dir/?api=1&destination=43.84971,-79.2784) - **Markham District High School**: 89 Church St, L3P 2M3. Operator on record: [York Region Board of Education](https://canadaservicemap.ca/bodies/york-region-board-of-education). [Directions](https://www.google.com/maps/dir/?api=1&destination=43.88042,-79.2508) - **Markville Secondary School**: 1000 Carlton Rd, L3P 7P5. Operator on record: [York Region Board of Education](https://canadaservicemap.ca/bodies/york-region-board-of-education). [Directions](https://www.google.com/maps/dir/?api=1&destination=43.87738,-79.2893) - **Middlefield Collegiate Institute**: 525 Highglen Ave, L3S 3L5. Operator on record: [York Region Board of Education](https://canadaservicemap.ca/bodies/york-region-board-of-education). [Directions](https://www.google.com/maps/dir/?api=1&destination=43.84742,-79.2679) - **Milliken Mills High School**: 7522 Kennedy Rd, L3R 9S5. Operator on record: [York Region Board of Education](https://canadaservicemap.ca/bodies/york-region-board-of-education). [Directions](https://www.google.com/maps/dir/?api=1&destination=43.83768,-79.3052) - **Pierre Elliott Trudeau High School**: 90 Bur Oak Ave, L6C 2E6. Operator on record: [York Region Board of Education](https://canadaservicemap.ca/bodies/york-region-board-of-education). [Directions](https://www.google.com/maps/dir/?api=1&destination=43.8898,-79.3131) - **St Augustine Catholic High School**: 2188 Rodick Rd, L6C 1S3. Operator on record: [York Catholic District School Board](https://canadaservicemap.ca/bodies/york-catholic-district-school-board). [Directions](https://www.google.com/maps/dir/?api=1&destination=43.87515,-79.3578) - **St Brother André Catholic High School**: 6160 16th Ave E, L3P 3K8. Operator on record: [York Catholic District School Board](https://canadaservicemap.ca/bodies/york-catholic-district-school-board). [Directions](https://www.google.com/maps/dir/?api=1&destination=43.89329,-79.259) - **St Robert Catholic High School**: 8101 Leslie St, L3T 7P4. Operator on record: [York Catholic District School Board](https://canadaservicemap.ca/bodies/york-catholic-district-school-board). [Directions](https://www.google.com/maps/dir/?api=1&destination=43.8346,-79.3796) - **Thornhill Secondary School**: 167 Dudley Ave, L3T 2E5. Operator on record: [York Region Board of Education](https://canadaservicemap.ca/bodies/york-region-board-of-education). [Directions](https://www.google.com/maps/dir/?api=1&destination=43.81001,-79.4198) - **Thornlea Secondary School**: 8075 Bayview Ave, L3T 4N4. Operator on record: [York Region Board of Education](https://canadaservicemap.ca/bodies/york-region-board-of-education). [Directions](https://www.google.com/maps/dir/?api=1&destination=43.82954,-79.4029) - **Unionville High School**: 201 Town Centre Blvd, L3R 8G5. Operator on record: [York Region Board of Education](https://canadaservicemap.ca/bodies/york-region-board-of-education). [Directions](https://www.google.com/maps/dir/?api=1&destination=43.85859,-79.3367) ## 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 - [Open Database of Educational Facilities (ODEF), version 2.1](https://www.statcan.gc.ca/en/lode/databases/odef), licence: OGL-Canada Operators are matched from the source records and may be approximate. ## More - [Public services in Markham](https://canadaservicemap.ca/places/ontario/markham) - [Parks](https://canadaservicemap.ca/places/ontario/markham/parks) (484) - [Pharmacies](https://canadaservicemap.ca/places/ontario/markham/pharmacies) (115) - [Elementary schools](https://canadaservicemap.ca/places/ontario/markham/elementary-schools) (75) - [Private schools](https://canadaservicemap.ca/places/ontario/markham/private-schools) (63) - [Community and recreation centres](https://canadaservicemap.ca/places/ontario/markham/community-centres) (38) - [Labs and diagnostic imaging](https://canadaservicemap.ca/places/ontario/markham/labs-and-imaging) (24) - [Museums](https://canadaservicemap.ca/places/ontario/markham/museums) (11) - [Libraries](https://canadaservicemap.ca/places/ontario/markham/libraries) (9) - [Clinics and community health centres](https://canadaservicemap.ca/places/ontario/markham/clinics) (8) - [Long-term care homes](https://canadaservicemap.ca/places/ontario/markham/long-term-care-homes) (5) - [Mental health and addiction services](https://canadaservicemap.ca/places/ontario/markham/mental-health-services) (4) - [Art galleries](https://canadaservicemap.ca/places/ontario/markham/art-galleries) (3) - [Richmond Hill](https://canadaservicemap.ca/places/ontario/richmond-hill/secondary-schools) (10) - [Pickering](https://canadaservicemap.ca/places/ontario/pickering/secondary-schools) (5) - [Vaughan](https://canadaservicemap.ca/places/ontario/vaughan/secondary-schools) (14) - [Toronto](https://canadaservicemap.ca/places/ontario/toronto/secondary-schools) (188) - [Aurora](https://canadaservicemap.ca/places/ontario/aurora/secondary-schools) (5) ## 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