The school inspectorate for Wales is calling for more to be done to improve children's Welsh reading and writing.
Estyn says that whilst children are making progress in speaking the language, their reading and writing isn't as developed.
So why are schools not doing better on one of their compulsory subjects? Our Education Corespondent Joanna Simpson investigates.
More top news
The Chief Executive of Betsi Cadwaladr University Health Board, Professor Trevor Purt has apologised for 'letting patients down'
A burglar who raided a golf club by smashing a car into it, has been jailed.
Two brothers from Cardiff are campaigning for their cousin's murder to be re-investigated 76 years after she died.