As two North Shore teachers strikes drag on, the one in Beverly on Monday tied a recent one in Newton as the longest in modern Massachusetts history. The Beverly strike has stretched on for 11 days, and negotiations have become increasingly contentious as students there and in Marblehead missed another day of school while,

There’s no deal — and no class— once again in two North Shore school districts on Monday as an increasingly contentious round of educator strikes drag on into another week. Students in Beverly and Marblehead will miss another day of school Monday.