This paper examines how exposure to students identified as gifted (IQ ≥ 130) affects achievement in secondary school … combined with psychological examination records, we study the causal impact of gifted students on their classmates in … unprecedented detail. We find a positive and significant effect of the exposure to gifted students on school achievement in both …

This paper examines how exposure to students identified as gifted (IQ ≥ 130) affects achievement in secondary school … combined with psychological examination records, we study the causal impact of gifted students on their classmates in … unprecedented detail. We find a positive and significant effect of the exposure to gifted students on school achievement in both …

Can students' rank in the ability distribution of their class impact their academic achievement? We aim to answer this … question using a discontinuity generated by a rule for the distribution of students between classes at a prestigious Brazilian … the best students in the university entrance exam to the group that starts in the first semester, and the other 50 per …

We examine the educational spillover effects of migrant students on local students' academic achievement in public … migrant students across classes within schools. We find that the proportion of migrant students in each class has a small, and … positive, effect on local students' test scores in Chinese, but has no significant effect on math and English test scores. We …