About Us

J. Addison School is Canada’s pre-eminent K-12 private day and boarding school committed to providing the highest quality instruction based on the Ontario curriculum. Working collaboratively, we assist in the development of each of our student's academic potential and success in a structured and supportive environment. Located in Canada’s top innovative city of Markham, Ontario, we are looking for enthusiastic and effective leaders to navigate us through highly anticipated growth. Our campus includes a main building that offers almost 60,000 square feet of state-of-the-art facilities on 3 floors, including dormitory residences, cafeteria, dance studio, 2 storey-high gymnasium, and so much more.