Cornwall, Ontario
Secondary schools in Cornwall
Compiled by Mahmoud Halat, updated
Short answer
There are 12 high schools in Cornwall on this map, from open data. Catholic District School Board of Eastern Ontario is the operator on record for 4 of the 12. Each has 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 12 secondary schools are in the list below.
High schools in Cornwall
All 12, by name. Check with a place before you go: open data can miss a change.
Cornwall Collegiate and Vocational School
437 Sydney Street, K6H 3H9
Operator on record: Upper Canada District School Board
Cornwall Intermediate School
437 Sydney Street, K6H 3H9
Operator on record: Upper Canada District School Board
École élémentaire publique L'Héritage
1111 Montréal Chemin, K6H 1E1
École intermédiaire catholique la Citadelle
510 Mcconnell Avenue, K6H 4M1
École secondaire catholique la Citadelle
510 Mcconnell Avenue, K6H 4M1
École secondaire publique L'Héritage
1111 Montréal Chemin, K6H 1E1
St Joseph's Secondary School
K6J 5V9
Operator on record: Catholic District School Board of Eastern Ontario
St Lawrence Intermediate School
1450 Second Street East, K6H 5Z8
Operator on record: Upper Canada District School Board
St Lawrence Secondary School
1450 Second Street East, K6H 5Z8
Operator on record: Upper Canada District School Board
St Matthew Catholic Secondary School
822 Marlborough Street North, K6H 4B4
Operator on record: Catholic District School Board of Eastern Ontario
St. Joseph Intermediate Catholic School
1500 Cumberland Street, K6J 5V9
Operator on record: Catholic District School Board of Eastern Ontario
St. Matthew Catholic Elementary School
822 Marlborough St, K6H 4B4
Operator on record: Catholic District School Board of Eastern Ontario
Questions people ask
How many high schools are in Cornwall?
This page lists 12 high schools in Cornwall, 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 Cornwall?
Catholic District School Board of Eastern Ontario is the operator on record for 4 of the 12. Upper Canada District School Board is on record for 4. 4 have no operator on record. 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 Cornwall
Secondary schools in nearby cities
Cite this page
Canada Service Map, "High schools in Cornwall, ON: 12 locations", updated 14 October 2026, https://canadaservicemap.ca/places/ontario/cornwall/secondary-schools