Differences

America’s 15 year old boys actually went up in math on the PISA while girls scores dropped again. The gender gap is now 24 points.

https://www.oecd.org/en/data/dashboards/pisa-education-and-skills/performance-trends.html?oecdcontrol-chart-control-bar-92d7c1b41b-var1=G884&oecdcontrol-chart-control-e78bc4f29c-var2=math