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Pisa results in Wales - in 60 seconds

Wales teenagers have scored below the international average in maths, reading and science for the fourth time, in the latest Pisa tests.

The assessments - the world's school report - rank 72 developed nations and economic regions.

Here is a guide to the essentials - in 60 seconds.

Video: Gwyndaf Hughes

  • 06 Dec 2016
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