In recent years there has been an increase in the number of children going to school in England who do not speak English as a first language. We investigate whether this has an impact on the educational outcomes of native English speakers at the end of primary school. We show that the negative...

More than 4.4 million students enrolled in US public schools participate in English language learner programs because of linguistic barriers to learning in regular classrooms. Whether native language instruction should be used in these programs is a contentious issue. Recent studies, using...