This study is the first empirical analysis to identify the causal effect of a separate preparatory language learning class on the academic success of newly immigrated primary school-aged children in comparison to their direct integration into regular classrooms. Employing unique administrative...

We use 2009 Programme of International Student Assessment (PISA) data to link institutional arrangements in OECD countries to the disparity in reading, math, and science test scores for migrant and native-born students. We find that achievement gaps are larger for those migrant youths who arrive...