outcomes. Particularly, students who attend a school with a one standard deviation better principal receive on average 0 …

Students in East-Asian countries consistently score in the top in international assessments. One possible explanation … gradual roll-out of the program across compulsory schools, we find that it improves teaching practices and boosts students …

­ever, social interactive ability turns out to be important for low aptitude students, whilst the reverse holds for cognitive … abilities. In fact, while high performing students benefit from high cognitive teachers, being matched to such a teacher can … even be detrimental to their lower performing peers. Hence, the lower abilities among teachers may hurt some students …