J. Addison School is currently scheduled to open for the 2020-2021 school year on Sept 8 for Junior program and Sept 9 for High school program.  We are offering both in person and hybrid/online learning options. Please contact your admissions officer for more details.

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

1:15 teacher to student ratio

3 residence

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



  • No events