If the schools reopen in the fall, the next wave of CV19 infections will be noticeable several weeks later. A month at the outside.
My opinion is that 5hey need to close schools every fall and winter due to influenza since its much deadlier to the young than COVId.
It's been likened to fighting a forest fire — it's raging now; but, by summer there should just be the occasional small flareup that's easy to contain.