COVID-19 SCHOOL UPDATE. Click here to view. | Online Learning Program starts Monday March 23, 2020. Click here for access. | All classes will be cancelled until further notice. | Please stay updated on all our social media platforms for important information! | Summer Camp registrations are now open! | Congratulations to the Boys Basketball team for winning the OSBA Challenge Series! |
“As an immigrant from China, J. Addison had given me the emotional and educational supports; it felt like I was living at home. Even though J. Addison School is a small private school, its small size allowed me to receive…
Ella from China
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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