Successful education systems are able to guarantee that all students succeed at high levels. Across OECD countries …, around 60% of the overall, country-level variation in student performance can be traced to differences in how well students …

In 2012, 15-year-old students spent over two hours on line each day, on average across OECD countries. The most common …% of students doing one of these every day or almost every day. Students who spent more than six hours per day on line … average across OECD countries, 7% of students spend this much time on line during a typical weekday. …

Children starting school at older ages consistently exhibit better educational outcomes. In this paper, we underscore … relatively younger children to special needs services. The effect is persistent throughout compulsory schooling, resulting in …

Immigrant students often have to overcome multiple barriers at once in order to succeed at school. Across most OECD … countries, poor performance among immigrant students relative to other students is strongly related to social disadvantage at … school, as reflected in the proportion of students whose mothers have low levels of education. The concentration, in a school …