It's a breathtaking concept -- but for the OECD, it's a very real way of finding out how well-prepared today's students are to participate in society. If you're not quite sure what PISA is or does, and you've got about 12 minutes to spare, grab a comfortable chair. This video will help you to understand why the OECD's number-crunchers trigger such intense debate about the state of education around the world every time they release the results of the latest PISA survey.

 


Via Ana Cristina Pratas, Lyudmila Anikina, Dennis T OConnor, Maggie Rouman