A student needs a study permit for studying & staying in Canada which serves as a visa for the duration he/she stays there, if the duration of the course for which the student has applied is not more than 6 months then it is not required. A student permit has to be renewed after some period of time, some of the benefits of the student permit are :

While studying you can do part-time work on-campus.
You can also work off-campus.
You can apply for internships.
Explore job opportunity while studying.
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