- 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 seals have been released after being cared for by staff from the Welsh Mountain Zoo in Colwyn Bay.
Hundreds of protesters from Pembrokeshire have been demonstrating at the Senedd against changes to maternity services at Withybush hospital.
We visit the Energy Centre at Coleg Menai, where they are trying to prepare young people for jobs on Anglesey's Energy Island.