I am in Ontario and I use the University and College calculator. Does this mean that I do not need to report any other categories other than the three listed?

The University and College Calculator only aids in reporting paper typically distributed by all universities such as marketing material, alumni magazines, promotional material, acceptance letters etc. The calculator does not factor into the calculation any packaging materials from products sold at on-campus stores or restaurants. Packaging materials for which your institution is the brand owner must be reported to Stewardship Ontario separately from the material reported through the University and Colleges Calculator.