If the law mandates attendance, then the law should regulate what that attendance entails. Much like how state or municipal exclusivity agreements on broadband

If the law mandates attendance, then the law should regulate what that attendance entails. Much like how state or municipal exclusivity agreements on broadband should regulate how those broadband companies should behave toward their customers. With great power comes great responsibility. As for private schools, yes, they should be left to their own policies. But I haven't seen anyone suggesting otherwise.