In 2012, 15-year-old students spent over two hours on line each day, on average across OECD countries. The most common online activities among 15-year-olds were browsing the Internet for fun and participating in social networks, with over 70% of students doing one of these every day or almost...

It’s elementary: students benefit from pre-primary education. The OECD’s PISA 2009 results show that in practically all OECD countries 15-year-old students who had attended some pre-primary school outperformed students who had not. In fact, the difference between students who had attended...