This video presentation from Yong Zhao from the US is well worth taking the 20min to watch. He makes the case for being careful about the interpretation we put on PISA and other results for judging the worth and value of education systems.
Do we really want to try and clone our system to be like that of China or Finland? What are the elements of their systems that come along with their success at tests that are not so desirable?
Take the time to watch this