PISA scores for the US are fairly good and stable in Reading and Science, especially compared to the OECD average. It's Math that has taken a hit over time.
https://www.oecd.org/en/publications/pisa-2022-results-volum...
https://www.oecd.org/en/publications/pisa-2022-results-volum...
https://en.wikipedia.org/wiki/Programme_for_International_St...
> Policy-makers in most participating countries see PISA as an important indicator of system performance