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Andreas Schleicher:
Use data to build better schools

TEDGlobal 2012 · 19:47 · Filmed Jul 2012

How can we measure what makes a school system work? Andreas Schleicher walks us through the PISA test, a global measurement that ranks countries against one another — then uses that same data to help schools improve. Watch to find out where your country stacks up, and learn the single factor that makes some systems outperform others.

Education surveyor
What makes a great school system? To find out, Andreas Schleicher administers a test to compare student performance around the world. Full bio