Canada, Toronto
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| Name | Age | Fee | Track | Conditions |
|---|---|---|---|---|
| Grade 7 | 12 | 28,425 CAD | Middle School | First year only |
| Grade 8 | 13 | 22,750 CAD | Middle School | — |
| Grade 9 | 14 | 22,750 CAD | Middle School | — |
| Grade 10 | 15 | 22,850 CAD | High School | — |
| Grade 11 | 16 | 22,850 CAD | High School | — |
| Grade 12 | 17 | 22,850 CAD | High School | — |
| Name | Fee | Conditions |
|---|---|---|
| Application Fee | 3,800 CAD | Application and Registration are one-time charges |
| Name | Fee | Conditions |
|---|---|---|
| Enrollment Fee | 2,800 CAD | One-time enrolment upon acceptance |
| Name | Fee | Conditions |
|---|---|---|
| Custodianship (under 18) | 1,000 CAD | one-time |
| Registration (enrolment) fee | 2,800 CAD | one-time, paid on acceptance |
| Middle school camp trip | 500 CAD | per year (Grade 7–9) |
| High school camp trip | 600 CAD | per year (Grade 10–12) |
| Gym kit | 325 CAD | first year only; reusable across years |
| Application fee | 300 CAD | one-time, paid at application |
| Student visa processing (school's processing) | 1,250 CAD | one-time |
| Health insurance (international students) | 750 CAD | annual |
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.