Programme for International Student Assessment (PISA) Every three years, the Programme for International Student Assessment (PISA) tests 15-year-olds from all over the world in reading, mathematics, and science. The results allow us to compare educational systems and identify areas in which each system can improve. This year's PISA results are in, and there are some … [Read more...] about Programme for International Student Assessment (PISA) : 5 Tips