Student Accommodations
In Canada many Universities, Colleges and Language Schools have residences located on-campus or very nearby were you can book before your trip and also you can contact homestay providers in all the provinces.
Tips about student housing in Toronto
https://www.toronto.ca/community-people/housing-shelter/finding-housing/student-housing/
Homestay with meals for individual students:
CHN – Cross Canada
https://canadahomestaynetwork.ca/
Cypress – Vancouver, Toronto, Montreal
https://www.cypressaccommodations.com/
Home Sweet Homestay – Vancouver, Vitoria, Montreal, Calgary, Edmonton, Toronto, Windson, Ottawa
https://www.homesweethomestay.com/
Canada homestay agency – cross Canada
http://canadahomestayagency.com/
Evo – Montreal
https://www.evomontreal.com/
My School residence – Montreal
http://maresidencesecondaire.ca/international/
Accommodations without meals to individual students or maybe couple:
CEC – Vancouver
http://studenthotel.ca/gec-granville/
Airbnb – Cross Canada
https://www.airbnb.ca/
Parkside – Toronto
https://www.live-parkside.ca/