In the face of colonial efforts to extinguish Indigenous language and culture, Kanien'keha:ka (Mohawk people) have been working to revitalize Kanien'keha (the Mohawk language) since the 1970s. However, Kanien'keha continues to experience greater speaker loss than gain. Through a comprehensive vitality assessment, this dissertation examines the…

This dissertation draws on both qualitative and quantitative approaches to investigate the linguistic practices of teachers and children who are learning Mandarin Chinese as a Heritage Language (CHL) in two dual immersion preschools in California. CHL children have been interpreted as novice members in local speech communities who actively explore…

Purpose: Situated within a complex social-political and developmental context marked by racialization and identity formation, this research aims to illuminate the nuanced ways Latinx youth navigate their bilingual experience amidst varying educational models and linguistic environments. The overarching goal of this dissertation is to investigate…

While America is becoming increasingly diverse, educational stakeholders seek programs that address varied language and cultural needs, which is reflected by the growing popularity of dual language immersion (DLI) programs in recent decades. The problem is an extensively persistent academic achievement gap between students with native English and…

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 qualitative study explored the dynamic aspects of American Indian language integration in education along with language revitalization efforts. Due to the special government to government relationship between the Tribes and the federal government, formal Native American education began with forced assimilation and language loss was linked to…

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…

The rapid growth of Mandarin Chinese and English dual-language (DL) programs and the differences between these two languages have fostered the need to investigate the early literacy performance of young students in a Mandarin/English DL program. This study used the interactive transfer framework (Chung et al., 2019) to understand the Mandarin and…

This mixed methods descriptive case study explored the perceptions of 162 leaders and French immersion (FI) teachers related to their roles and responsibilities for the target-language proficiency (TLP) of FI teachers in an urban school division. To date, no research has explored leaders' and FI teachers' knowledge and understanding of the system…

This three-article dissertation examined how policy choices in three key policy areas -- initial enrollment, service provision, and reclassification -- impact English learner (EL)-classified students. The first article examined the national landscape of state statutes, regulations, and state education agencies' (SEA) guidance that support…

China's rising economy has increased the popularity of learning the Chinese language. Chinese immersion programs have gained popularity in K-12 education, particularly for younger learners. However, research on the optimal instruction design for Chinese and English biliteracy development in one-way Chinese immersion programs is scarce. This…

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)…

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…

Previous studies on second language (L2) phonetic acquisition in early bilingual learners have mainly examined immigrants to the L2 country; however, with recent growing dual-language immersion programs, the immersed bilingual group emerged and required more attention in the research. This study aims to investigate vowel patterns of young…

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…