specifically primary and secondary school, although university is an issue as well
i put this in a comment but:
i think the school issue is difficult. if you go back to school, you will have massive increases in cases and deaths. if you go online only, you put enormous pressure on parents - schools are responsible for feeding many children and often act as daycare. if you do a “hybrid” approach you’ll get the worst of both worlds, except it’ll likely be primarily lower-income children going to school and getting sick, plus more pressure on teachers.
I teach physics in a public urban high school, and I know that there is absolutely no way public schools will be able to be "socially distanced".
Because of these above reasons, pretty much every union in my state/city/district is calling for at most fully online for the beginning of the year until "conditions are safer", and calls for more funding for citywide internet and technology (mainly chromebooks, ugh) guarantees for all students.
State/City/District governments where I live have started meeting and making decisions without input from teacher's unions so we're taking part in the National Day of Resistance tomorrow (hoping it leads to a teacher's strike, but currently it looks like a letter signing/petition ugh)
Personally I think they should postpone the school year until maybe January (students already have content retention loss from the shutdowns from March until now, better to keep them safe than hope they remember algebra, we always end up reteaching basics for the first few months anyway) and then extend it through the summer (those HVACs would come in handy during increasingly warm summers too).