Teens at Langford's Belmont Secondary School have a choice, they can leave their phone in their bag or locker, or place it in a phone holder when they enter the classroom.
What's next for Twitter after Elon Musk's takeover? Social media experts weigh in cbc.ca - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from cbc.ca Daily Mail and Mail on Sunday newspapers.