These statistics, produced by the National Foundation for Educational Research, show the ability of pupils in science, mathematics and reading for 2018.

In 2018, results were submitted by 107 schools for 3,165 pupils in Wales. 79 countries participated including all members of the OECD and all four countries within the UK.

Main points

Reading

The average PISA reading score for Wales in 2018 was 483. This has remained stable since 2006 (481).

There are 22 countries where the mean reading score is ahead of Wales compared to 30 in 2015. In 42 countries the mean reading score was significantly lower.

For the first time there is no statistically significant difference between Wales’ score and OECD average.

Mathematics

The average PISA mathematics score for Wales in 2018 was 487. This is a statistically significant improvement on the score in 2012 (468).

There are 23 countries which outperformed Wales, compared to 30 in 2015. In 40 countries the mean mathematics score was significantly lower.

For the first time there is no statistically significant difference between Wales and Northern Ireland, Scotland, and the OECD average.

Science

The average PISA science score for Wales in 2018 was 488. This is 17 points lower than the average in 2006 (505) but 3 points higher than the 2015 (485).

There are 19 countries where the mean science score was ahead of Wales compared to 28 in 2015. Wales significantly outperformed 45 countries.

There is no statistically significant difference between Wales and Northern Ireland, Scotland, and the OECD average.

Note

The above figures are based on comparing Wales with other participating countries, including the component parts of the UK. This is consistent with the national report produced by the NFER.

Further information

The PISA 2018 international report, and additional information, can be found on the OECD website.

Reports

Achievement of 15 year olds: PISA 2018 national report
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Data

Datasets and interactive tools

Contact

Stephen Hughes

Tel: 0300 025 5060

Media

Tel: 0300 025 8099