About the OECD’s PISA ranking
The OECD launched a 12 minute video about the PISA study, explaining how its analysts rank school systems around the world :
[youtube http://www.youtube.com/watch?v=Ugz_1Clpsdk&w=560&h=315]
Ce contenu a été mis à jour le 2011-11-11 à 7:11 pm.