“Chicago Public Schools, though, has already implemented many of the mitigation strategies that government planners have in mind, and the district believes teachers can safely go back to class. Officials have good reason to think this: Outside major cities, many schools—including a great number of private schools that lack easy access to government dollars—have been open since at least September, and there’s simply no evidence of widespread disease in classrooms. Schools have not played host to superspreader events, and there’s little reason to think that students are infecting their teachers. Even the CDC, which is hardly known for taking an incautious approach to resuming normal life, says that schools can reopen safely.”
https://reason.com/2021/01/27/biden-teachers-unions-school-chicago-strike-reopening-covid/