This study explores teachers' use of Spanish in sixth-grade bilingual science classrooms at an urban middle school in Texas. We used a case study approach to study how two Spanish-English bilingual teachers utilized Spanish during instruction in a unit on space exploration and their beliefs on Spanish use in English-dominant science classrooms.…

The assessment of dual language immersion (DLI) students' proficiency in the partner language plays a key role in program evaluation. This article reports findings from a large-scale study, drawing on cross-sectional assessment data from 73 schools and longitudinal data from 25 schools. Students were tested in the interpretive (listening and…

Previous studies about ELs have reported data on active English Learners--defined as those students who have not yet reached proficiency on a state English test--at a specific moment in time. This study, for the first time, analyzed the long-term trajectories of 18,000 CPS students who began kindergarten as ELs and followed their progress all the…

This dissertation examines a teacher's language ideologies, their impact on curriculum modifications and bilingual Latinx middle schoolers' storytelling, to understand how a bilingual pedagogy builds on their cultural and linguistic resources. This qualitative study was conducted in a sixth grade writing workshop class in New York City as the…

One way to improve struggling schools' access to effective teachers is to use selective transfer incentives. Such incentives offer bonuses for the highest-performing teachers to move into schools serving the most disadvantaged students. In this report, we provide evidence from a randomized experiment that tested whether such a policy intervention…

In this study, we explore language--specifically the use of Spanish, in a sixth-grade science classroom, where the district recognises English as the official language of instruction. The question guiding our analysis is: How is Spanish positioned in Ms. Cook's science class? Transcribed interaction from twelve weeks of videotaping is coded and…