International students with a valid study permit can work while studying in Canada without a work permit. There are restrictions listed below. Spouses/Common-law partners of foreign students can also work in Canada while their spouse is studying. However the spouse must apply for an Open Work Permit which allows them to work in any job without restriction.
work up to 20 hours per week during regular academic sessions and
work full-time during scheduled breaks, such as the winter and summer holidays or spring break.
In order to be eligible to work off campus, international students must:
Hold a valid Study Permit
Be studying at a designated learning institution of post-secondary level or, in Quebec, a vocational program at the secondary level
Remain in satisfactory academic standing as determined by their institution
Be studying in an academic, vocational or professional training program that leads to a degree, diploma or certificate that is at least six months in duration.