The union representing Ontario's Catholic teachers has voted in favour of striking.
The Ontario English Catholic Teachers Association (OECTA) voted 94.2 per cent in favour of striking.
The union has not given notice, and no strike date has been set.
OECTA's President, James Ryan, said the vote is a "strong mandate" for their provincial bargaining team.
"A strong vote of confidence in the team, and a strong vote of rejection in what the employer, which represents the Ontario government and the Ontario Catholic School Trustees Association, have offered," said Ryan.
Ryan said his members about the "attack" the province and school board are waging.
"Our members working conditions are also student learning conditions, and we definitely see that the proposal by the employer side would cause real damage to education in this province and really hurt the students of this province," he said.
Ryan said the teachers voted in favour of striking because they are concerned with the future of education in Ontario.
OECTA is going back to the bargaining table on April 28th and 29th. Ryan said they will bargain in good faith, hoping for a deal with the province and the school board. If a mutually agreed upon collective agreement is not reached, Ryan members will go to the picket line and strike.
Based on the bargaining schedule, Ryan said June is the earliest teachers could go on strike.