The teachers think phones are detrimental, or at least Australian teachers do. I think my state was the last to implement a ban of them in schools: https:

The teachers think phones are detrimental, or at least Australian teachers do. I think my state was the last to implement a ban of them in schools: https://www.theeducatoronline.com/k12/news/mobile-phones-smartwatches-to-be-banned-in-qld-schools/282807 Personally I wouldn't know, but I'm happy to take the teachers word for it. On this point they seem to be pretty much of one mind.