private

Keystone School

186 St. George Street, Toronto, Ontario, M5R 2N3

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At a glance

Grades: Gr. 7 – 12
Gender: Coed
Board: Independent
Principal: Rachel Shiderman
Program type: Online/Site Based
Associations: Ontario Federation of Independent Schools

Tuition & admissions

Tuition: $20,250 /year

Academics & learning

Curriculum: Progressive & International Baccalaureate Candidate
Class size: 8 — 16 students
Accreditation: IB World School authorized to offer the International Baccalaureate Diploma Programme.

Course descriptions

Middle School, Grades 6–8

Inquiry and project-based learning develops key skills and prepares students for high school.

High School, Grades 9–12

Students take compulsory academic and university-preparation courses plus electives based on interests and future study or career plans; academic coordinators support course and pathway choices.

IB Diploma Programme

Keystone is authorized to offer the IB Diploma Programme. Students may complete the full IB Diploma alongside the OSSD or take individual IB courses.

Project-based and experiential learning

Official examples include financial literacy and entrepreneurship, classic literature, science concepts, ethical debates, poetry, mathematical reasoning and hands-on laboratory work, sometimes at nearby university labs.

View course information on the school website

School images

Clubs & extracurricular activities

Robotics Club: Students work with Toronto Metropolitan University’s STEM Works outreach program to build and program a robotic car using tools such as 3D printers, laser cutters and microcontrollers.
Creative Club: Hands-on art workshops include drawing, painting, printmaking, photography and digital tools.
Athletic Club: Physical activity, health and wellness, and support for school athletic events.
Video Editing Club: Students curate, film and edit videos around their interests.
Martial Arts, Yoga/Meditation, Zumba and Anime clubs: Current after-school club page describes self-defense and fitness, mindfulness, dance fitness, and anime/manga interests.
Student leadership committees: Yearbook, Graduation, Student Ambassadors and Student Council help organize school events and represent student voices.

Outdoor activities & education

The school reports more than 35 curriculum-linked field trips each year, with activities and destinations varying by year. Recent examples described by Keystone include High Park and the Urban Wild Adventure Program, Camp Muskoka and an Outward Bound climbing tower.
Other recent examples include university science labs, the Ontario Institute for Cancer Research, Spadina Museum, ROM exhibitions, OCAD’s Graduate Exhibition and World Affairs Conference activities. These are past examples, not a guaranteed upcoming schedule.

University destinations

2026 graduate program choices (school-reported): Keystone’s official postsecondary page lists graduate program choices across Canadian, US, UK and international universities/colleges. Named institutions include University of Toronto, McGill, McMaster, Western, Toronto Metropolitan, York, Dalhousie, Ontario Tech, Trent, Guelph, Nipissing, Lakehead, George Brown, Centennial, Rutgers, University of Arizona, University of San Francisco, University of Essex, University of Kent, Imperial College London, Maastricht University and others. This is a school-reported list of 2026 graduate choices, not a guarantee of admission or a complete breakdown by institution.

About the school

Keystone School is an independent, co-educational IB World School serving Grades 6–12 in Toronto.

Location & school highlights

Location

Located at 186 St. George Street in Toronto’s Annex
steps from the University of Toronto and St. George subway station.

What makes the school distinct

Students can earn the full IB Diploma alongside the Ontario Secondary School Diploma (OSSD), or take individual IB courses.
Project-based and inquiry-based learning emphasizes exploration, reflection and personal growth.
Students develop leadership through extracurricular activities, community service projects and leadership programs.
Flexible online courses serve Canadians abroad and homeschooled students.