The evidence is not rock solid, but points to schools being one of the more low-risk things to reopen. https://www.sciencemag.org/news/2020/07/school-openings-

The evidence is not rock solid, but points to schools being one of the more low-risk things to reopen. https://www.sciencemag.org/news/2020/07/school-openings-across-globe-suggest-ways-keep-coronavirus-bay-despite-outbreaks https://www.sciencemag.org/news/2020/07/school-openings-acro... It's mistaken to be worrying about reopening schools if you are blithely ignoring problems with care homes, diabetes sufferers, etc.