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.

Schools in three North Shore districts remain closed Wednesday ... 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 ...

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.