‘Hotter years mean lower exam results’

In years with hotter weather pupils are likely to perform less well in exams, according to new research, who have found a ‘significant’ link between higher temperatures and lower academic achievement.

An analysis of test scores of 10 million students over 13 years shows hot weather has a negative impact on results.

The study, entitled ‘Heat and Learning’, suggested that hotter weather made it harder to study in lessons in school and to concentrate on homework out of school.

Researchers calculated that for every 0.55C increase in average temperature over the year, there was a 1% fall in learning. Colder days did not seem to damage achievement – but the negative impact began to be measurable as temperatures rose above 21C.

The research was carried out by researchers at Harvard and other US universities.

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