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Canada, Toronto
Let the school know you're thinking of applying — they can share their prerequisites and help you through the process.
It's best to ask — circumstances can change at any time.
Homestay accommodation with Canadian host families is available; host families can house one or more Keystone students, typically 2–3 per homestay. A senior-year residence option, Parkside Student Residence (must be 16+), is available for students who have completed at least one year in a homestay. Parkside offers shared and private bedrooms with a full dining program; fees range from CAD 1,425 to CAD 2,630 per month, and meal plans are mandatory at an additional cost. A support network for homestay students includes international program staff, a homestay coordinator, host families, and a custodian who regularly checks on safety and wellbeing.
Parkside Student Residence provides a full dining program.
The leadership includes Doa Demirsu, Co-founder and Director, and Rachel Shiderman, Principal.
Keystone School is a private, co-ed international school located at 186 St. George Street in Toronto's Annex. It offers the Ontario Secondary School Diploma (OSSD) through the Flexible OSSD Homeschool Program, fully accredited by the Ontario Ministry of Education, enabling the OSSD to be earned from anywhere in the world. The program is asynchronous with about 110 hours of learning material across 3–5 units; final grades are 70% coursework and 30% final assessments. Grades 9–12 provide university preparation and a University Pathways framework, with academic guidance to support course selection and university applications. The school is pursuing International Baccalaureate Diploma Programme candidacy, with an IB Preparation and IBDP pathway announced for 2026–2027. Keystone emphasizes inquiry-based, project-based learning, small class sizes, and a campus near the University of Toronto, fostering global engagement, leadership, and service. Its campus offers field experiences and a vibrant array of clubs and committees for all students.
