Are classrooms equalizers or amplifiers of inequality?: A genetically informative investigation of educational performance

We investigate the influence of the classroom environment on educational performance and its dependency on parental socio-economic status (SES). The classroom environment can have a compensatory effect and decrease educational inequality, in which case the classroom context is more important for children originating from lower SES families. Alternatively, there can be an amplifying effect, in which case the classroom environment is more important for high-SES children. This would increase educational inequality. We investigate the two alternatives by applying a twin design to data from 4,216 t... Mehr ...