As part of the Special Flight Operations Certificate (SFOC) for using a drone/uav/rpas commercially or outside of the limits of the recreational rules, you will need to take a recognized UAV ground school course.

Transport Canada provides a list of schools that have self-declared that they provide training in line with Transport Canada standards on their website here:
http://www.tc.gc.ca/en/services/aviation/drone-safety/find-drone-flight-school.html

For those looking for an online based course, our primary recommendation is Coastal Drone