The Upper Canada District School Board is cancelling field trips and sporting events due to a work-to-rule campaign by school support staff.

CUPE’s 55,000 education workers kicked off a work-to-rule campaign today after weekend contract talks with the Ontario Government failed to reach a deal.

There are CUPE education workers in 63 school boards across the province.

"My hope is that there won't be any disruption of service," said Ontario's Education Minister Stephen Lecce.

But there have already been disruptions. 

In a statement, the Upper Canada District School Board says schools will be open and classes will proceed as scheduled today. But the board says “to ensure the safety and proper supervision of students, all field strips, sporting events and after school extra-curricular activities will be postponed.”

"School safety is important every single day and that’s why you should be funding it," said Laura Walton, the president of CUPE's Ontario School Board Council of Unions.

"But let's be clear, if you're going to come back, let's talk and let's talk about the key issues."

CUPE represents several UCDSB employee groups, including educational assistants, early childhood educators, custodial/maintenance staff, clerical staff, library workers and information technology staff.

CUPE represents staff at three Ottawa school boards: The Ottawa Catholic School Board, and the French Public and Catholic School Boards.

"This is not an easy position to be in but we recognize that something needed to be done," said Sherry Wallace, president of Local CUPE 2357.

 "This is a very difficult time for them, this very hard for them to remove services when were in the care of supporting students."

For the Ottawa Catholic School Board, CUPE represents educational assistants, early childhood educators, sign language interpreters, clerical staff, developmental education staff and office administrators.

The Ottawa Carleton District School Board says it does not have any CUPE bargaining units.

Stephen Lecce says he remains optimistic that in spite of the job action by CUPE today a deal can still be reached. But the union said it has not been offered any further mediation dates by the government.

"I am literally available 24/7 as I have demonstrated over weeks and weekends to land a deal." 

- With files from CTV's Christina Succi