![4 surprising lessons about education learned from data collected around the world](https://i0.wp.com/blog.ted.com/wp-content/uploads/sites/2/2013/02/andreasschleicher.jpg?resize=283%2C212&ssl=1)
4 surprising lessons about education learned from data collected around the world
Education is generally thought of as a domestic policy issue. But what can we learn by looking at education on the global scale? In today’s talk, given at TEDGlobal 2012, Andreas Schleicher introduces us to a test that measures school systems and student achievement in countries across the globe—PISA (the Programme for International Student Assessment), […]