Research has demonstrated that students in dual-language immersion programs perform as well as, or better than, their peers in core academic content areas by late elementary school. However, the extent to which immersion education fosters bilingualism has received less attention in the literature. Using data from a four-year efficacy study of…

Multiple studies conducted over the past decade have suggested the motivational and proficiency-related benefits of commencing language instruction at an early age. Limitations in many of these studies, however, have prevented their results from being applied to the teaching of foreign languages in the United States. In response to calls for…