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.
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After a mostly dry evening with a few scattered showers, cloud and outbreaks of showery rain will spread northeast through the night.
Tributes have been paid to former Wales international Mel Charles, who has died at the age of 81.