The break thing is a reference to the ban. The second sentence of the article is "Children will be allowed to bring their phones to school, but not allowed to g

The break thing is a reference to the ban. The second sentence of the article is "Children will be allowed to bring their phones to school, but not allowed to get them out at any time until they leave, even during breaks." So the ban sounds like your current situation, plus a ban on using phones during breaks.