This article serves as the introduction to this special issue of "Language Teaching Research" on content-based language teaching (CBLT). The article first provides an illustrative overview of the myriad contexts in which CBLT has been implemented and then homes in on the five studies comprising the special issue, each conducted in a…

The roles of first and second languages were studied, using ethnographic methods, in a middle school two-way bilingual education program that served Mexican-background students. The primary stated program goal was to develop bilingualism and biliteracy in both minority and majority language students. Classes were taught using English and Spanish…