Unionized lecturers at the University of Montreal helda four-hour walkout Monday afternoon.
During the half-day strike, they picketed outside the main school building on Edouard-Montpetit Blvd.
The school will remained with most services will be offered as usual.
A step back, union says
Union president Francis Légaré is condemning the university, saying the deal the teachers are being offered is a step back.
The union is threatening to step up pressure tactics and isn't ruling out a general strike.
The sticking points are class sizes, salaries and retirement.
The 2,500 lecturers have been without a contract since August.