Depending on what your home country is, as well as how long you plan on studying abroad, you may need:
The kind of documentation needed depends on your individual situation, the program you are enrolling in how long you plan to stay in Canada. Some things to keep in mind are:
When applying for a study permit, make sure to plan in advance. If you only apply for a six month permit, but then decide you want to take more courses, you must return to your home country, apply for a study permit again and then come back.
http://www.cic.gc.ca/english/information/applications/student.asp
https://www.canada.ca/en/immigration-refugees-citizenship/services/study-canada.html