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How to keep pupils and staff safe during hot weather

With heatwaves becoming more common, check the steps you can take to keep your pupils and staff comfortable and safe. Find out what early action you can take, the DfE's advice on closure and the symptoms of heat-related conditions to look out for.

New
on 25 June 2026
School types: All•School phases: All•Ref: 53708
Contents
  1. There's no legal maximum temperature for schools
  2. The DfE doesn't advise school closure
  3. Keep pupils and staff cool at school
  4. Be alert to heat-related illnesses
  5. Make sure your policies and procedures are hot-weather ready

There's no legal maximum temperature for schools

There's no guidance for a maximum temperature limit. However: 

  • You're legally required to keep classrooms at a 'reasonable' temperature
  • You have a duty of care to ensure the health, safety and welfare of your staff and others

Read more in our guidance on school temperatures.

In its blog post on hot weather and heatwaves the DfE says schools and other education settings should "take any steps necessary" to make sure children are safe and comfortable.

Sign up to receive alerts during periods of hot weather

Schools can sign up to receive heat-health alerts using this form from the UK Health Security Agency (UKHSA) and the Met Office. 

These alerts will help you know when extreme heat is coming, so you can prepare in good time. 

The DfE doesn't advise school closure

If you have decided it might be necessary to