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Andreas Schleicher: Use data to build better schools

FILMED JUL 2012 • POSTED FEB 2013 • TEDGlobal 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.

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