Opening the debate in Holyrood, she told MSPs: “Teachers are overworked and firefighting disruption. But that is not leadership — that is passing the buck.”Ms Duncan-Glancy argued a national classroom ban would “free young people and empower staff and parents”. “I am clear in publishing this guidance that, as Cabinet Secretary, I will support any headteacher who decides to institute a ban on mobile phones in their school. “I have to ask why Scottish Labour does not trust our headteachers to do that. “If Scottish Labour wants a ban on phones in our schools, what are their views on mobile phone use in this Parliament?