Going against HN's usual anti-smartphone thing, I think this is incredibly dumb. Luckily no one really cares much about what UNESCO calls for. Outright bans on smartphones in schools are no different from the video game, TV screen time, "kids will only play games on computers" and other related superstitions that were in vogue back in the early 2000s. All they did was make parents feel validated (without having to pu…
If individual schools (or even individual counties etc) want to try a ban like that, they can experiment. I don't know whether it's a good idea or not.
But I do know that a global ban is beyond silly.