While most 15-year-old students spend part of their after-school time doing homework, the amount of time they spend on it shrank between 2003 and 2012. Socio-economically advantaged students and students who attend socio-economically advantaged schools tend to spend more time doing homework....

Some 65% of socio-economically advantaged students reported that they know well or have often heard of the concept of quadratic function, on average across OECD countries; but only 43% of disadvantaged students so reported. On average across OECD countries, the 20% of students who are most...

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...

One in eight students across OECD countries has repeated a grade at least once before the age of 15. Many countries reduced the rate of grade repetition between 2003 and 2012. One in five disadvantaged 15-year-olds has repeated a grade. Even among students with similar academic performance, the...

Privately managed schools tend to attract more advantaged student populations; but the difference between the socio-economic profiles of public and private schools is narrowed when privately managed schools receive higher levels of public funding. The difference between the socio-economic...