There are three PA education programs in Canada. Each program is responsible for setting its admission requirements and the respective websites below offer a wealth of information. If you have specific questions, please contact the education programs directly.

McMaster University Physician Assistant Education Program
Bachelor of Health Sciences (Physician Assistant) [BHSc(PA)]

PA Consortium (University of Toronto, Northern Ontario School of Medicine, The Michener Institute for Education at UHN)
Bachelor of Sciences Physician Assistant Degree [BScPA]

University of Manitoba
Master of Physician Assistant Studies (MPAS]