St. Mary's High School – Kitchener, Ontario
St. Mary's High School is part of the Waterloo Catholic District School Board (WCDSB), offering the Ontario secondary school curriculum within a Catholic educational environment.
School Information
- Type: Publicly funded Catholic school; not a private school.
- System: Waterloo Catholic District School Board.
- Location: Kitchener, Waterloo Region, Ontario.
- Grades: 9–12.
- Accommodation: Homestay options and guardianship requirements must be verified; no boarding facilities confirmed.
Academic Programs
Ontario Secondary School Diploma (OSSD) program, including academic courses and extracurricular activities; availability of ESL courses and services must be confirmed per semester.
Tuition and Fees
International tuition, application fees, insurance, and homestay costs for 2026–2027: must be confirmed directly with the WCDSB. Do not rely on estimated figures.
Admission Requirements and Process
Prepare academic transcripts, identification documents, and application files as required by the WCDSB international admissions program. International student placement at a specific school is subject to confirmation by the School Board.
Apply via KeyApply: KeyApply accepts inquiries, provides guidance on document preparation, and coordinates with the school/school board throughout the admission process. Please book an appointment to get started.







