This study investigates the integration of content and language in a Mandarin immersion program, focusing on the interplay between teacher beliefs and pedagogical practices. It examines how these practices align or diverge from teachers' stated educational ideologies through interviews, observations, and a questionnaire. This qualitative case…

Dual language immersion (DLI) programs were developed in the U.S. with the expressed goal of supporting intercultural connections, bilingualism, biliteracy, and respect for diversity. However, these programs are still influenced by broader social ideas and power dynamics. From this perspective, this year-long ethnographic case study uses a…

Dual language immersion (DLI), an educational program in which students study grade-level content in English and a partner language, began in the United States in the early 1960s and has surged since the 2010s. Nationwide, DLI continues to rise in popularity (Freire, Alfaro, & de Jong, 2024). To some extent, this is because DLI has been…

This study explores working business professionals' perspectives towards the implementation of two-way language immersion programs in Texas public schools. Participants were selected for participation by means of a pre-selection survey that assessed various aspects of the cultural, educational, linguistic, familial, and business background of the…

The purpose of this qualitative inquiry was to explore the implementation of the third pillar of dual language education (DLE), sociocultural competence. Teachers' perceptions of the structures both supporting and challenging implementation of the pillar were examined. An Elementary (K-5) two-way immersion DLE Program in the lower Hudson Valley…

Purpose: This study examines the expansion of two-way dual language (TWDL) programs in Los Angeles Unified School District from 2000 to 2022, analyzing their growth in relation to neighborhood change, charter school expansion, and enrollment decline. We use a novel data set combining program founding years, school-level enrollments, and…

This case study explored Spanish-speaking educators' perceptions and experiences of dual-language immersion (DLI) professional learning (PL). The study aimed to understand how PL offerings could best support and meet the needs of DLI Spanish teachers' best practices in the target language. The perceptions and experiences of seven Spanish DLI…

This study concerns integration in a two-way dual language immersion (DLI) context. Specifically, the present study examines parents of students in Korean-English DLI programs with the intent to understand the extent of their satisfaction with their child's ability to get along with children of different cultures and languages. This study also…

This volume proposes solutions to the gentrification of dual language, bilingual and immersion education by examining how it operates across diverse school and community contexts. It brings together studies in a number of areas including instruction, curriculum development, classroom interaction, school leadership, parent and community engagement,…

The rising demand for dual-language immersion (DLI) programs, which offer core instruction in two languages from early grades onward, has raised questions about program design and access. We leverage the rapid expansion of DLI schools across the U.S. state of Utah to estimate effects of DLI program availability on the academic achievement of…

The present dissertation brings together research on heritage language acquisition and bilingual education and makes inroads into the limited research on heritage language development in school-aged bilingual children. This study explores how bilingual education, patterns of exposure, and lexical frequency shape adolescent Spanish heritage…

The purpose of this study is to examine the professional development (PD) needs of Chinese dual language immersion program (DLI) educators, particularly the PD supports these teachers receive. This instrumental case study examined the professional learning of four Chinese language DLI teachers through semi-structured interviews and observations of…

This dissertation focused on comparing the academic achievement and language proficiency in both English and Spanish of students at risk for language and learning difficulties, with bilingual typically developing students in two bilingual educational contexts: English as a Second Language program and Spanish two-way immersion program. Data was…

In this paper, we address a lack of assessments of partner language development in dual language immersion (DLI) programs. We propose several important considerations that are necessary for the creation of research-based assessments of partner language development in DLI programs, focusing on Spanish as an example. We first discuss what these…

This research uses a descriptive quantitative statistical design to examine campus-level results from the State of Texas Assessments of Academic Readiness (STAAR). The focus is on describing the achievement disparities between campuses that implemented Transitional Bilingual Education (TBE) programs and those implementing Dual Language (DL)…