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 3:28 Forecast: Biting wind chill overnight 1:47 Last-minute shoppers brave the cold in Boston 0:44 Person rescued from overnight fire in Cambridge 2:17 2 homes destroyed, another damaged by massive fire in Spencer just days before Christmas 3:43 Forecast: Cold eases early this week, holiday flakes Tuesday