I literally saw the teacher returning the phones to kids in the afternoon when I went to pick up my son. I also spent a day with him there when he was doing a "

I literally saw the teacher returning the phones to kids in the afternoon when I went to pick up my son. I also spent a day with him there when he was doing a "trial week" a few months before the end of kindergarten and I saw no kids using phones that whole day (and I saw a lot of kids throughout that day).