Southwest Virginia schools facing hurdles with new mask guidance from CDC The nation’s top health agency says masks won’t be necessary inside for vaccinated teachers and students Published: Tags: Schools adjust to new mask guidance Schools getting ready to welcome kids back to the classroom this fall will face hurdles following new mask guidance from the CDC. “Just the unknown,” Superintendent of Radford City Schools Robert Graham says. “It’s like everything with the pandemic, it’s all just unknown.” The nation’s top health agency says masks won’t be necessary inside for teachers and students vaccinated against COVID-19. However, educators say there’s no doubt it will make for challenging school environments with little time to prepare.