A further investigation into the number of schools in England confirmed to contain RAAC concrete reveals the figure remains at 231 - as a Panorama investigation into the scandal airs at 8pm tonight
As of mid-November this year, there were still 612 schools in England which had not been fully inspected for the aerated concrete, a Department for Education email has suggested.
Among the worst affected is Scalby School, in Scarborough, North Yorks, where head Chris Robertson must wait until the summer term for his pupils to get temporary classrooms
Thousands of pupils have faced disruption since the start of term, some even being forced to return to virtual learning, as the scale of the dangerous material being used in buildings was revealed.