Independent education consultant Terry Mackie argues that the key theme from today's report from the OECD, and what should now become a focus for the Welsh Government, is the need to improve how schools support low-achieving pupils.
"It is beyond dispute that Wales has not met the diverse learning needs of all students," he said.
Mr Mackie describes the problem as "fixable", and says there needs to be "differentiating" teaching for individual pupils, intervening where they need extra support.
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Fine and sunny tomorrow morning with lots of sunshine to start the day. Feeling colder though, with maximum temperatures of 13°C.
Kathryn Tresilian reports from the town where the body of a 47-year-old woman was found dismembered in Pontypridd on Friday.
Some bright spells this afternoon, with outbreaks of rain. Top temperature 15°C.