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 1:53 Oil spill in Muddy River is threatening wildlife 1:40 Public wake to be held Monday for Endicott College police sergeant 0:22 Serious crash on Route 3 in Billerica 3:11 Forecast: Busy pattern, warm midweek 2:00 Wakefield fatal house fire doesn't appear suspicious, police say