FILE - In this June 10, 2020, file photo, Olivia Chan's father helps her with a new mask she received during a graduation ceremony for her Pre-K class in front of Bradford School in Jersey City, N.J. School districts across America are in the midst of wrenching decisions during the summer about how to resume classes in settings radically altered by the coronavirus pandemic, with socially distanced school buses, virtual learning, outdoor classrooms and quarantine protocols for infected children as the new norm. (AP Photo/Seth Wenig, File)
