Scotland’s scores in the PISA assessments were similar to the OECD average in science, maths and reading.
In the previous survey in 2012, Scotland was above the OECD average in reading and science, and at the average in maths.
Scotland’s own overall performance compared to 2012 declined in science and reading, but was similar in maths.
Scotland’s relative performance compared to other countries, including UK administrations, declined when measured by the number of comparator countries that were significantly above and below Scotland, in maths, reading and science.
The proportion of pupils performing at highest levels of achievement (“Level 5 and above”) and performing at the lowest levels (“below Level 2”) were similar in Scotland to the OECD average in science. In both maths and reading, both the proportions of low and high performers were lower than the OECD average.
The gradient and strength of relationship between performance and social background was similar to 2012. However, reductions in the gradient between 2009 and 2012 were sustained into 2015. In addition, in reading, the gradient and strength of relationship are now both weaker than across the OECD.