This book explores the role of the teacher in dual language bilingual education (DLBE) implementation in a time of nationwide program expansion. It provides case studies of teachers in the process of implementing and adapting DLBE and highlights the role of teachers as language policymakers.

Kathryn I. Henderson is an Associate Professor of Bicultural-Bilingual Studies in the School of Education at The University of Texas at San Antonio, USA. Her research interests include language ideologies, language policy and dual language bilingual education programs.

Deborah K. Palmer is a Professor of Equity, Bilingualism and Biliteracy in the School of Education at the University of Colorado Boulder, USA. Her research interests include bilingual education policy and politics, critical additive bilingual education, translanguaging, teacher preparation for linguistically/culturally diverse teaching contexts, language, power and identity, and bilingual teacher leadership/agency.