Schools April 9, 2021 5:46 pm Number of COVID Cases Up Slightly in Mass. Schools. What It Means. As more kids return to classrooms in Massachusetts, the number of cases in school is on the rise, albeit slightly. Should we be concerned? US & World Videos 2:16 North Shore teachers' strike continues through the weekend 1:45 2 arrested in murder of man in Chelsea 3:31 North Shore teacher strikes enter second weekend 1:05 What's behind the high suspension and expulsion rates at US preschools? 2:28 Mass ‘X-odus' follows TOS update, Musk's ‘Department of Government Efficiency' nomination