' prosocial attitudes are systematically related to elementary school children's prosociality. In a second step, we present … evidence on a randomly-assigned variation of the social environment, providing children with a mentor for the duration of one … gap in prosociality between low and high SES children. A mediation analysis of the observed treatment effect suggests that …

international PISA test (2009). We extend the analyses in two ways and find that students must differ considerably in the time …

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 …

mentoring relationship affects both parents and children and has positive long-term implications for children’s educational …Inequality of opportunity strikes when two children with the same academic performance are sent to different quality … schools because their parents differ in socio-economic status. Based on a novel dataset for Germany, we demonstrate that …

threshold students may make use of additional resources, such as private tutoring. We investigate how the use of private … successfully pass through this school, controlling for the students competencies after tutoring, but before the transition. Using … PISA and linked register data from Switzerland, we find that students who had private tutoring before the transition are …

most effective for children whose parents provide few social and interactive activities for their children. … children and use this tool to show that children from high socioeconomic status (SES) families are more accurate in their self …-assessment, compared to children from low SES families. To move beyond correlational evidence, we then exploit the exogenous variation of …