Oakville, Ontario · Halton Catholic District School Board · Grades 9-12
Holy Trinity Catholic Secondary School is a catholic secondary school located in the River Oaks neighbourhood of Oakville, Ontario. It is part of the Halton Catholic District School Board and serves grades 9-12.
In the 2025 Fraser Institute Report Card (based on 2023-2024 EQAO data), Holy Trinity Catholic Secondary School received an overall rating of 8.0 out of 10, ranking #55 out of 747 secondary schools in Ontario. This places it in the top 7% of all Ontario secondary schools.
The school's trend is currently stable compared to previous years.
Ranked as Ontario's best overall Catholic school board by the Fraser Institute. HCDSB operates 48 elementary and 10 secondary schools across Halton Region, consistently achieving among the highest EQA... View all HCDSB school rankings →