Some countries show improvements in math post-pandemic. Not the United States.
www.chalkbeat.org
U.S. math scores dropped sharply in 2023 on a major international assessment, even as fourth graders posted higher scores in more than a dozen countries.

U.S. fourth graders saw their math scores drop steeply between 2019 and 2023 on a key international test even as more than a dozen other countries saw their scores improve. Scores dropped even more steeply for American eighth graders, a grade where only three countries saw increases.