Wales' PISA rankings worst in UK
The latest Programme for International Student Assessment Tests (PISA) tests reveal Wales has fallen behind the rest of the UK significantly in reading, maths and science for the third time.
PISA in Wales: Social background 'not such an issue'
Michael Davidson from the OECD - the organisation behind the PISA survey - says pupils' social background is not a leading factor in educational performance in Wales.
Mr Davidson said: "Unlike in some countries where your social background really makes a difference to your success in education, that's not such an issue in Wales. It's more of a challenge to address the under-performing students."
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FMQs and the PISA results
Our weekly look at First Minister's Questions.
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PISA test: Are you better at maths than a 15-year-old?
Visit the OECD's website to try some sample questions.