Differences in teacher quality are commonly cited as a key determinant of the huge international student performance gaps. However, convincing evidence on this relationship is still lacking, in part because it is unclear how to measure teacher quality consistently across countries. We use unique...

Height is positively associated with educational attainment. We investigate the mechanisms behind this relationship using data on German pre-teen students. We show that taller children are more likely to enroll in Gymnasium, the most academic secondary school track, and that primary school...