The 83,000 members have been involved in a series of rotating strikes throughout the school year to back demands.
Education Minister Steven Lecce did not go into specifics but said he was pleased with the deal.
The stumbling points included class size, full day kindergarten and a wage and benefits hike.
The deal will have to be ratified.
The provincial government is acknowledging that Ontario-wide school closures may extend beyond April 5th.
Premier Doug Ford and Education Minister Stephen Lecee say they will rely on recommendations from Canada’s Chief Medical Officer in connection to extended closures.