Why did the Chinese 15 year old students score on the top - easily - over the other 15 year old students of the 74 nations that participated in the PISA tests in 2018, the last year of these tests before Covid put a stop to them?  The Chinese students dominated in all three test areas - Mathematics, Science, and Reading and Writing skills.,(reply>), East Asians average IQ is around 108, second only to the racial group of Ashkenazi jews at around 118.