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...

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....

This report, part of the “Cities” collection, highlights the contribution of border towns to the process of regional integration in West Africa. For 18 countries, six indicators are used to identify the specificities of border towns at the local, national and international levels:...

This report, part of the “Cities” collection, provides an analysis of the demographic and morphological changes in West African border cities since the mid-20th century. Using the Africapolis harmonised database makes it possible to show that since 1950 border cities have experienced higher...