How Does PISA Put the World at Risk (Part 3): Creating Illusory Models of Excellence

By Yong Zhao. Few numbers command as much power as PISA scores, not even the number of Olympic medals or Nobel Prize winners in the world today. It is utterly shocking and embarrassing to see some otherwise rational and well-educated people (or at least they should be) in powerful positions believe that three test scores show the quality of their education systems, the effectiveness of their teachers, the ability of their students, and the future prosperity of their society. More...