# Andreas Schleicher: Use data to build better schools

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.

- Kind: Talk
- Year: 2013
- Runtime: 19 min
- By: TED.com
- Genres: Education
- Archive: [Internet Archive](https://archive.org/details/AndreasSchleicher_2012G)
- Licence or status: [CC BY-NC-ND 3.0](http://creativecommons.org/licenses/by-nc-nd/3.0/) (as the archive states it)
- Who can watch: Tweens profiles and older (the archive gives no rating; placed by Invisible Network from its collection and subjects)

[Watch now](https://invisiblenetwork.ai/watch/archive/ia/AndreasSchleicher_2012G?play=1)