Fewer 15-year-olds in East Asian countries reported that they use memorisation than did 15‑year‑olds in some of the English-speaking countries to whom they are often compared. In no PISA-participating education system did boys report more intensive use of memorisation than girls when...

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...

In most school systems, over 50% of 15-year-olds students attend schools that compete with another school to attract students from the same residential area. Across countries and economies, performance is unrelated to whether or not schools have to compete for students. When choosing a school...

Regardless of the type of school attended (public or private, advantaged or disadvantaged), 15-year-old students spent more time in mathematics lessons in 2012 than in 2003. The average amount of time spent in mathematics classes varies by more than a factor of two across countries and...

This dataset contains the indicator of strictness of employment protection for collective dismissals (additional provisions). This indicator measures additional costs and procedures involved in dismissing more than one worker at a time (compared with the cost of individual dismissal). As such,...

The dataset contains the indicator of strictness of regulation of individual dismissal of employees on regular/indefinite contracts. The OECD indicators of employment protection are synthetic indicators of the strictness of regulation on dismissals and the use of temporary contracts. For each...

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....