- PISA tests are put on by the Organisation for Economic Co-Operation and Development (OECD) and look at the key skills of half a million 15-year-old pupils from 68 countries.
- They are meant to test whether pupils are being adequately equipped with workplace and life skills, with the questions focusing on real-life scenarios. They are hugely influential, though critics say they form just a small part of a much bigger picture in terms of education.
- Figures published in December revealed Wales has fallen further behind the rest of the UK in the three areas of maths, reading and science.
More top news
The much-loved local character, who had lived on the city's streets for decades, died in hospital this week after falling ill.
The Wales Deaf Rugby team take on England today at the Cardiff Arms Park
A shopper has received a community order after he admitted uploading an explicit image to an iPad at a Tesco supermarket in Swansea.