What are the current UK government guidelines on face coverings within schools?

As a new school year begins, Yahoo UK News Editor Chris Parsons explains the new guidance on when face coverings will be required in schools across England, Scotland, Wales and Northern Ireland.
From September 1st, and in secondary schools in England that are within areas under local restrictions, face coverings should be worn when moving around corridors and communal spaces. This does not include classrooms or primary-aged pupils.
Face coverings should be worn by staff and pupils when moving ar