Wales has fallen further behind in a worldwide assessment of pupils' maths, reading and science skills.
Welsh pupils are again behind their counterparts in England, Scotland and Northern Ireland in all three areas, and are below the global average in those areas.
Results from the so-called PISA (Programme for International Student Assessment) tests, sat by 15-year-old pupils around the world last year, have been published today by the Organisation for Economic Co-operation and Development.
Wales is now ranked 43rd out of 68 countries for maths, 41st for reading, and 36th for science - all lower positions than when the tests were last held in 2009.
The Welsh Government has previously targeted the top 20 positions of the influential league tables when the next tests are sat in 2015.
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