Their attorneys argue the fines were too low for the Newton teachers’ strike in January that went on for eleven days, the longest teacher strike in state history. “Strikes previous to that where the amount was what we’re asking for now, 50,000 with ...

While the three strikes are separate, some of the sticking points have been the same — as they have in a recent wave of other teacher strikes across the state.

Three North Shore school districts were forced to cancel classes Tuesday when they could not reach a deal with striking educators, officials in the communities said.