Previous studies have shown that schools' socioeconomic-status (SES) composition has an impact on the academic performance of pupils. Less attention has been given to the explanation of this effect. This study examined whether the teachability culture among the school staff (teachers' collective beliefs about how teachable their pupils are)…

Current educational policies show a growing tendency towards giving schools more autonomy and internal quality control. Accurate and comparable data on school performances are thus needed. In Flanders, PISA (Programme for International Student Assessment) and TIMSS-R (Third International Mathematics and Science Study-Repeat) have provided…

Although the participation rates of females in science, technology, engineering, and mathematics (or STEM) education is poor in most Western countries, considerable differences across countries exist as well. This may be due to differences in the so-called gender achievement gaps, that is, delays of one sex with respect to the other. The variation…