Congratulations to our Graduating class of 2020, we’re proud of your hard work and triumphs! | Summer Camp is unfortunately cancelled this year, hope to see everyone next year! | Summer high school credit courses available for registration. | Congratulations to the Boys Basketball team for winning the OSBA Challenge Series! |

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

Final Assessments for J. Addison Secondary Students

IMPORTANT PLEASE NOTE Final Assessments for J. Addison Secondary Students Due to the unprecedented situation of school closures and given the Ministry announcement that examination days will be transitioned into instructional days, it has been decided that final assessments in… more

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