Keystone School
International School in Toronto
Quick answer
Keystone School offers a Canadian provincial curriculum, with notably small class sizes averaging 8 students. Well-suited to boarding families. Tuition of $21,500–$21,500/year is in line with Toronto averages. The student body draws from 25 nationalities.
Key facts
- Curriculum: Canadian taught at Keystone School.
- Tuition: $21,500–$21,500/yr published in USD, US$ equivalent.
- Avg class size: 8 (max 16) Toronto international school · 100 students total.
- 25 nationalities top: Europe, Middle East, Canada.
- Ages: Ages 12 to 18 school day starts at 9:00am.
- Accreditations: IBO verified.
100
25 (Europe, Middle East, Canada)
8 avg / 16 max
Available
2012
IBO
About Keystone School
Keystone School was established in 2012. Keystone follows the Ontario curriculum and is currently the International Baccalaureate Diploma Program, aiming to be authorized in 2026. Keystone School has a project-based, experiential approach to learning, and serves both international and local high school students in grades 7 through 12 in the heart of Toronto.
| Item | Amount |
|---|---|
| Annual tuition (USD) | $21,500 – $21,500 |
| Annual tuition (USD) | C21500-C21500 |
| Fee year | 2025-2026 |
| True annual cost (with hidden fees)how we calculate | $23,480(+9%) |
| First-year total (with registration + deposit) | $24,980 |
| Cost position in Toronto | 27th percentile(mid-range) |
Canadian
IELTS, SSAT, SAT
IELTS - 6.5+ SAT - 1400+
French
Accommodations and minimal modifications.
Yes, we have support for special learning needs. An individualized education plan is made for each student.
Yes, there are extra ESL courses provided based on the need of each student.
9:00am – 3:30pm
Yes.
Yes
Is Keystone School right for your family?
A School Fit Brief scores this school against your children's ages, learning needs, and budget — with hidden fee analysis, admissions timing, and a ranked shortlist of alternatives in Toronto.
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At a Glance
Fee Position in Toronto
Budget-friendlySchool Profile
Class Size
Student Diversity
Moderately diverse
Common: Europe, Middle East, Canada
Estimated Real Cost
Tuition + registration, transport, uniform, exams
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Nearby Schools (within 5km)
Disclaimer: School profiles are source-backed decision aids, not endorsements or official rankings. Tuition figures are approximate and may not include registration fees, uniforms, transport, or exam costs. Always verify directly with the school before applying. WhereNext is not affiliated with any school listed. This is not admissions consulting, legal advice, or official school placement guidance.