More than 300 schools across England and Wales either partially or fully closed because of the hot weather on 24 and 25 June. Chris Parry, the head teacher of Lewis School in Pengam, said he made the decision to close his school on both days based on risk assessments, building conditions and staff judgment, with older parts of the school particularly hot and poorly ventilated. He said staff had tried to “mitigate” the heat by keeping pupils hydr…