Health and safety have always been priorities for school systems. Now, we are dealing with a global pandemic unlike anything we’ve seen before. The recent colder temperatures and increased indoor activity are likely to make the concerns more serious. Academic leaders are facing the repercussions of school closures, such as learning loss and social isolation among children. Therefore, our next challenge is getting kids back in their classrooms. What role will air ventilation and filtration play? We’ve taken advice from health and academic experts to learn which approaches are most likely to succeed.    The Challenge Schools are Facing Now...