The UK failed to make the top 20 in any of the three subjects in international tests taken by 15-year-olds.
In 2009, the UK placed 16th in science, but this year only made it to number 21. However, the pupils' performance in maths and reading has improved.
- In 2009, the UK placed 25th for reading, today this rose to 23rd
- In 2009, the UK placed 16th in science, today this fell to 21st
- In 2009, the UK placed 28th in maths, today this rose to 26th
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The UK only managed to rank 20th on the World Economic Forum's (WEF) index of nations - a slide from 9th position in 2006.