First, there's Diane Ravitch's criticism of PISA: "Real life teaches us that the test scores of 15-year-old students do not predict future economic success for nations. I find it bizarre that people say that America is a great country but its schools are no good. That doesn't make sense." Second, there's a long excerpt from Adam Grant's New York Times article suggesting a factor in Finland's and Estonia's success in PISA ratings: "Those students didn't have better teachers. They just happened to have the same teacher at least twice in different grades." I heard Matt Galloway interview Adam Grant on the Current CBC yesterday and wondered about that, especially since I had the same teacher in two successive years (grades 2 and 3) and again in high school.
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