Wales' largest teaching union is warning children's education is being damaged by dilapidated school buildings.
The NUT says hundreds across the country are not up to scratch.
It comes as Albert Primary School in Penarth in the Vale Of Glamorgan was declared unsafe and shut down due to a dangerous roof.
That is left the parents of more than four hundred children juggling work and last minute childcare.
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People are being advised to avoid the town centre, especially Salop Road.
Feeling humid with heavy showers and thunderstorms moving north overnight into Sunday.
Four people, including three children, were taken to hospital to be checked for smoke inhalation.