This study details the development of a local test designed to place university Spanish students (n = 719) into one of the four different course levels and to distinguish between traditional L2 learners and early bilinguals on the basis of their linguistic knowledge, regardless of the variety of Spanish they were exposed to. Early bilinguals…

The amount of language input bilingual children receive influences their language acquisition. This three-year quasi-longitudinal study determined the extent home language input influences measures of expressive and receptive English vocabulary among Spanish-English school-age bilingual children. The study also determined whether a relationship…

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 paper examines the construct of bilingual phonemic awareness in Irish-English bilinguals. Though traditionally viewed as a skill or ability which transfers across languages, recent accounts have considered whether phonemic awareness has a language-specific component. This study used a cross-sectional design to examine this question. A total…

This longitudinal, mixed-methods study reports on the development and implementation of an early phonological awareness screening and intervention program for struggling emergent readers in a French immersion school in Manitoba. The program was created by a professional learning community made up of the school administrator, teachers, and clinical…

This action research explores how teachers and students at a private elementary school in Gyeonggi Province perceive the effectiveness of the English-only TEE policy and proposes a revised model tailored to the school's diverse needs. A total of 250 students and 6 teachers participated in the study, with data collected through surveys, interviews,…

Indigenous-language immersion (ILI) is a form of schooling where all, or nearly all, classroom instruction in every subject area is conducted in an Indigenous language. This dissertation comprises three case study comparisons of neighboring pairs of ILI and English-medium school programs. The first case study examines two elementary schools in the…

This study explored the initial stages of adult second language (L2) learning with a special focus on the acquisition of the target language sound system. The aim was to analyze the longitudinal development of Spanish stop voicing contrasts in an immersion learning context. Native English-speaking late learners of Spanish provided production data…

Previous research on participation in mathematics classrooms has focused on adults' perspectives, which overemphasize the role of talk. Drawing on sociocultural theory, I define participation as a complex and situated phenomenon. I describe a participatory research collaboration where a Spanish immersion third-grade teacher, and I brought the…

As two-way immersion (TWI) programs continue to grow in the U.S., it is urgent that teachers counter deficit ideologies about bilingual children who come marginalized backgrounds. Neoliberalism ideologies have contributed to the growth of TWI programs because parents from mostly white and upper middle-class backgrounds see the economic/global…

The article explores bilingual investments of dual-language immersion program alumni through an intersectional narrative analysis. Focusing on the experiences of bilingualism of six alumni, we investigate how they continue to be invested in bilingualism, the factors that shape their self-positionings as bilinguals, and the extent to which race is…

Despite increasingly diverse public school enrollment, students across the U.S. are still segregated by race and poverty, and English learners (ELs) often experience triple segregation by race, poverty, and language. Two-way immersion (TWI) programs may create racially integrated learning environments, by offering a dual language model that…

Purpose: The purpose of this sequential explanatory mixed methods study was to identify and describe the leadership strategies that exemplary elementary dual immersion principals in Orange and San Diego counties in Southern California use to create an organizational culture of inclusiveness using Kennedy's (2008) five leadership qualities of…

Research shows that socioeconomically, racially, and ethnically integrated schools can have important benefits for student learning. While much research has focused on the benefits of integrated K-12 settings, emerging evidence indicates that the benefit of school- and classroom-level diversity may also be significant in early childhood education…

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…