shortages could once again lead to some children being taught at home. sanchia berg reports. in scotland, pupils have been wearing masks as they learn with the windows open for the last few months. the picture is similar now in northern ireland and wales. if next week, english secondary students will follow suit as the government tries to reduce the spread of covid in schools. around half of children over 12 have been double—jabbed, not enough to keep the virus out. the face coverings is very much a short—term measure, simply to the 26th of january when it will be reviewed because we recognise it is not something many children will want to wear. it recognises the priority of ensuring face—to—face education is made available, that's our number one priority. some are worried that this could affect children's learning, which has been so disrupted for the last two years. thank goodness, there's very low