Fostering Global Thinkers at Toronto’s International School
Keystone School is located at 186 St. George Street in Toronto. A private co-ed institution in the Annex, just steps away from the University of Toronto, Keystone offers a supportive, family-like environment with small classes and a project-based learning approach. As an IB World School offering the International Baccalaureate Diploma Programme (DP), alongside the Ontario Secondary School Diploma (OSSD),and as Toronto’s international school, Keystone prepares well-rounded individuals for academic and social success, making it one of the best private schools for globally-minded students in Ontario.
At Keystone, we view teaching and learning as a dynamic journey. Our students are active participants, deeply engaged through projects, events, and activities that link education with real-life experiences. This hands-on approach ensures students develop essential 21st-century skills, enabling them to thrive in an ever-changing world.
Our students become internationally-minded inquirers and thinkers, asking questions and seeking answers from both local and global perspectives. By nurturing their natural curiosity, Keystone fosters a lifelong love for learning, preparing students to excel in all facets of life. Keystone School, recognized as one of Toronto’s top international schools, is dedicated to providing unparalleled educational experiences for students from around the world.
Fostering Global Thinkers at Toronto’s International School
Keystone School is located at 186 St. George Street in Toronto. A private co-ed institution in the Annex, just steps away from the University of Toronto, Keystone offers a supportive, family-like environment with small classes and a project-based learning approach. As an IB World School offering the International Baccalaureate Diploma Programme (DP), alongside the Ontario Secondary School Diploma (OSSD),and as Toronto’s international school, Keystone prepares well-rounded individuals for academic and social success, making it one of the best private schools for globally-minded students in Ontario.
At Keystone, we view teaching and learning as a dynamic journey. Our students are active participants, deeply engaged through projects, events, and activities that link education with real-life experiences. This hands-on approach ensures students develop essential 21st-century skills, enabling them to thrive in an ever-changing world.
Our students become internationally-minded inquirers and thinkers, asking questions and seeking answers from both local and global perspectives. By nurturing their natural curiosity, Keystone fosters a lifelong love for learning, preparing students to excel in all facets of life. Keystone School, recognized as one of Toronto’s top international schools, is dedicated to providing unparalleled educational experiences for students from around the world.
Keystone at a Glance
Average Class Size
Countries Represented
University/College Acceptance Rate
Preparing Future Leaders at Toronto’s International School
Keystone School places a strong emphasis on developing leadership skills in students, ensuring they are well-prepared to face global challenges. Through a diverse array of extracurricular activities, community service projects, and leadership programs, students at Keystone grow into confident, responsible leaders. As Toronto’s leading international school, we provide students with the tools and experiences needed to succeed in a multicultural world. Our commitment to excellence and innovation makes Keystone School a premier choice for families seeking top-tier education in Toronto.
Keystone School is an IB World School
Keystone School is proud to be an IB World School authorized to offer the International Baccalaureate Diploma Programme (DP). The IB Diploma Programme is a globally recognized, academically rigorous programme that develops inquiring, knowledgeable, and caring young people who are prepared to make a positive impact in an increasingly interconnected world.
Our authorization reflects Keystone’s commitment to academic excellence, international-mindedness, and developing students who are prepared for success at leading universities and beyond.
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