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.
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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Montessori Programs Ages 3 to Grade 2 
Elementary School Grades 3 to 8 
Secondary School Grades 9 to 12 
Boarding Program Grades 7 to 12 
Summer Programs K to Gr. 12 