Congratulations to the Boys Basketball team for winning the Pinky Lewis Tournament! | Welcome Back to all staff and students, we hope you had a wonderful break.

We are a K-12 private day and boarding school located in Markham, Ontario, Canada. With our unwavering dedication, care and support, we nurture our tomorrow’s thinkers to becoming responsible and compassionate global citizens.

300 students
capacity

1:15 teacher to student ratio

3 residence
halls

Top Choice Award 2020 – J. Addison School | Vote for Us!

J. Addison School is proud to announce that we are an Official 2020 Top Choice Award Nominee! Thank you to all of those who have taken the time to nominate us! Now, we need your help to WIN! Voting is… more

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