Teachers strikes will continue in three North Shore communities Tuesday, though negotiators reported some “significant progress” in contract talks Monday. “We have made such significant progress today that there was a real possibility of us coming to an agreement tonight that would have opened schools tomorrow,

District officials and union representatives in all three communities are still divided on key issues, including paid parental leave and wages for teachers and teaching assistants.

As teacher strikes in Marblehead, Gloucester and Beverly continue, teachers' unions and school committees are reporting slow progress.