>Just letting the kids out en mass is how my son's school worked until Covid.
My kids school worked like that and it was still a mess, primarily because the parents were too stupid to follow the rules as to how to park their cars. I was set up so that everyone parked in parallel rows ||||| but the ones on the right were closest to the exit, so a bunch of people would pull into those rows to the point that they'd wrap around behind the other rows ___| and prevent people from getting into those rows. It was stupid and the school would send out notices and have employees walk down to the end of the row and tell people to move to the next one but it never stayed fixed.
My kids school worked like that and it was still a mess, primarily because the parents were too stupid to follow the rules as to how to park their cars. I was set up so that everyone parked in parallel rows ||||| but the ones on the right were closest to the exit, so a bunch of people would pull into those rows to the point that they'd wrap around behind the other rows ___| and prevent people from getting into those rows. It was stupid and the school would send out notices and have employees walk down to the end of the row and tell people to move to the next one but it never stayed fixed.