Pressure is building on school systems around the U.S. to reopen classrooms to students who have been learning online for nearly a year, pitting politicians against teachers who have yet to be vaccinated against COVID-19. … While some communities maintain that online classes remain the safest option for everyone, some parents, with backing from politicians and administrators, have complained that their children’s education is suffering from sitting at home in front of their computers and that the isolation is damaging them emotionally.