The government has been forced to update guidance for schools on dealing with the current heatwave which contained incorrect information about heat exhaustion symptoms.
But schools are still not being advised to close, prompting criticism from school leaders.
Guidance issued by the Department of Health and Social Care, NHS England, and UK Health Security Agency last Friday listed “hot, red and dry skin” as one of the potential symptoms of heat exhaustion.
However, the NHS advises that “excessive sweating and pale, clammy skin” is a sign of the condition on its own website.