The article claims the Department of Education is distributing monitors to UK schools, but the DofE doesn't operate across the UK, so perhaps the story is actually about schools in England.
[0] - BBC News - https://www.bbc.co.uk/news/uk-northern-ireland-58790302
[1] - Scottish Parliament Report - https://www.parliament.scot/chamber-and-committees/committee...
[2] - Scottish COVID guidance for schools - https://education.gov.scot/media/ttkbrnde/reducing-risks-in-...
(edited to break up the links)