Congratulations to China for coming out on top for all reading, mathematics and science. *China is measured by taking an average of four provinces: Beijing, Shanghai, Jiangsu, and Zhejiang.
PISA is the OECD’s Programme for International Student Assessment. PISA is a global test meant to measure 15-year-olds’ ability to use their reading, mathematics and science knowledge and skills. It is administered every three years and used, by some to measure which countries are best preparing their students for real-life challenges.
Other Overview: PISA 2018 Insights and interpretations