Schools live and die by their examination results: good results attract more able students and teaching staff, which in turn leads to further improved results.  Therefore a promise of a heat wave from the Met Office can drive fear in to the heart of any headteacher, as the temperatures can seriously affect pupils’ performance. Exam-time pressures can effect even the most diligent of students and the added burden of soaring temperatures can push some pupils too far. The inability to c......