We provide new evidence about language assimilation and its effect on test scores using data from two rounds (conducted …-born children of immigrants were asked to take Woodcock-Johnson achievement test. In both rounds, prior to the administration of … tests, children of Hispanic origin were randomly assigned to take the tests either in Spanish or in English. Therefore, we …

creates negative peer effects on their children. In North Carolina there has been a significant increase in immigrants … especially those with limited English language skills and recent data suggest that North Carolina has the 8th largest ELL student …. Rather, it is the limited English language skills of some of these students that leads to small, negative peer effects on …

creates negative peer effects on their children. In North Carolina, there has been a significant increase in immigrants …, especially those with limited English language skills. Recent data suggests that North Carolina has the eighth largest English-language … peer effects on native students’ achievement. Rather, it is the limited English language skills of some of these students …

immigrant pupils, we focus on language heterogeneity by using a novel measure of the degree of linguistic diversity in the … detailed information on students' language and math scores, their social integration, as well as on sociodemographic and school … linguistic diversity has no adverse effect on students’ language and math skills, but worsens the social integration of immigrant …