While some countries have maintained or improved performance in maths and reading, many countries across the globe have seen large drops in educational performance, according to the latest Programme for International Student Assessment (PISA) results. Almost 700,000 15-year old students from 81 countries and economies took the PISA test in maths, reading and science in 2022. Why have there been such large drops in performance? In this episode of Top Class, OECD Director for Education and Skills Andreas Schleicher speaks to OECD Editor Duncan Crawford about the findings and what they mean for global education