Covid-19 was a disaster for the world’s schoolchildren

EVERY THREEOECD years for the past two decades analysts at the , a club of mostly rich countries, have asked pupils in dozens of places to take tests in reading, maths and science, the better to compare the quality of their schools. No one was expecting the latest round of exams, sat a year late in 2022 after years of , to bring good news. But the results, released on December 5th, . An average teenager in the rich world is found to have fallen about six months behind in reading and nine months behind in maths, compared with peers who sat similar tests in 2018. In several rich countries 15-year-olds are performing at levels that back then would have been expected of learners a full year younger.