My education was stellar, and here is who provided the information, you nasty little piece of work.
The Program for International Student Assessment (PISA), coordinated by the Organization for Economic Cooperation and Development (OECD), has measured the performance of 15-year-old students in reading, mathematics, and science literacy every 3 years since 2000, except for a 1-year delay in the current cycle (from 2021 to 2022) due to the coronavirus pandemic. In 2022, PISA was administered in 81 countries and education systems, including 37 member countries of the OECD.
If you weren't so busy attacking the posters here, you would have already seen the link to that figure.
The NCES Fast Facts Tool provides quick answers to many education questions (National Center for Education Statistics). Get answers on Early Childhood Education, Elementary and Secondary Education and Higher Education here.
nces.ed.gov
Grow up...