Different post-secondary institutions offer different programs, each with its own admission requirements & deadlines. The best way is to do your research by talking to staff members of your desired post-secondary institution.
Check out universities fairs held annually in the Greater Vancouver region:
1. Canadian University Event (CUE)
- Able to meet university/college representatives from across Canada
- https://cuebc.org/for-students/
- Able to meet university/college representatives from across British Columbia
- https://www.postsecondarybc.ca/
- Able to meet university/college representatives from across United States
- https://uscollegeexpo.com
- Able to meet university/college representatives from Canada and around the world
- https://www.studyandgoabroad.com/virtual-education-fair/