Not really, they're still using them. Just not as obviously. They'd be even more distracted trying to hide it and focus on everything at the same time.

Yeah good luck with that... Even if it was agreed upon it is effectively unenforceable without resorting to essentially temporary theft as we see today, causing the students to hide their phones even better.

As a brit, it absolutely is state-run in every way except the technicallity of the employees not being government workers and having a semi-indepdent structure, it is undeniably linked to the british government by nature, history, and practicality.