The school my daughter went to had about 2,500 students. I can't see staggering that many students into different shifts and there are only a few stairways up to the second floor. Most of the time the students would end up elbowing each other going up the central spiral staircase.
That's a critical situation
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Some parts of America, Schools are open. In other areas, they are not. It depends on the localities and states we live in to make that decision.
Since when did this app have bots
Me I'm not wired to be taught mostly all I know had been self taught with help around the rough edges, don't think it works how the education system is unless you got money for tutoring n outher things public teaching try it's best with what's it's allowed to do.