PISA test: Are you better at maths than a 15-year-old?

The OECD's Programme for International Student Assessment evaluates education systems worldwide by testing 15-year-olds in key subjects Photo: Chris Radburn/PA Wire

Wales has fallen further behind the rest of the UK - and most of the world - in new international education league tables published today.

The influential Programme for International Student Assessment (PISA) tests look at the key skills of half a million 15-year-old pupils from 65 countries.

Could you take on a PISA mathematics test? Visit the OECD website and find out.

When the last set of results were published in 2010, the Welsh Government said they were 'unacceptable' and set in motion a range of reforms,

Today we know that Wales has actually fallen in the pecking order over the last three years - though the Education Minister and teaching unions say time and patience is needed for the reforms to take hold.

In this year's PISA rankings:

  • For science, we're now 36th out of 68 countries - that's six positions lower than 2010.
  • In reading, we've fallen to 41st position in the rankings.
  • In maths - the focus of these latest tests - we are now 43rd out of 68 countries.