First of all, you need to understand the Canadian Government structure for international students. In Canada, Student Visa is (13) provincial and territorial head. It means student visa comes under provincial and territorial governments.
These 13 provinces and territories have their own student policies.

1. Alberta
2. British Columbia
3. Manitoba
4. New Brunswick
5. Newfoundland and Labrador
6. Northwest Territories
7. Nova Scotia
8. Nunavut
9. Ontario
10. Prince Edward Island
11. Quebec
12. Saskatchewan
13. Yukon

To apply for study permit, international student should consider these points;

1. Designated Learning Institution (DLI)
2. Area of Interest
3. Level of Education
4. Field of study
5. Course Language (English/French)
6. Selection the Appropriate Provinces/Territories

Future Prospects
Canada education system is different from other countries. Before applying, applicant should consider the future prospects of his study program as well.

1. Degree program determine work permit duration
2. Degree program determine Permanent Residence criteria

Designated Learning Institution (DLI)
A complete list of Designated Learning Institution (DLI) is available on Government of Canada official website.