Only people who aren& #39;t in schools much could be willing to ignore the absolute safeguarding nightmare that is smartphones for some sweetness and light vision of using them for study.
No kids shouldn& #39;t be using smartphones in school. They shouldn& #39;t have them out in school at all. And I guarantee that better protects the safety and wellbeing of all.
& #39;But you could *teach* them never to do the bad things so it would be fine!& #39; is the hopelessly naive equivalent of thinking you stop bullying and unkindness by just telling everyone to be friends.
Or people who don& #39;t have too much responsibility for safeguarding. If more people knew just what issues they cause, the things that happen with them, then I doubt we would be quite so casual about their use