The purpose of this study is to explore the statistical nature of the linguistic interdependence hypothesis (Cummins, 1976, 2017) in the spring of 2nd grade of students in foreign language immersion programs. Specifically, the interdependent relationship between L2 language proficiency levels and L1 reading academic performance in an environment…

This dissertation explores the potential differences in Armenian parental attitudes of those whose children were enrolled in a Dual Language Immersion Program (DLIP) and those whose children who were not enrolled in a DLIP towards four constructs of school perceptions: cultural appreciation (CA), academic progress (AP), importance of learning a…

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…

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…

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…

The purpose of this quantitative causal-comparative study was to raise awareness of the effects of soft school closures on student reading fluency in traditional, Science, Technology, Engineering, and Mathematics (STEM)-related, or Dual Language Immersion (DLI) schools. There is little research on which type of school, whether traditional,…

Currently there is a gap in research literature that displays examples of how central office and building level administrators interact, collaborate, and make decisions concerning dual language immersion programs. This qualitative single case study attempts to answer the following questions concerning this problem of practice: What are the forms…

In recent years, the United States has seen an increased interest in Dual Language Education (DLE) Programs. These programs prepare students to compete in a global economy by providing an opportunity to develop high levels of bilingualism, biliteracy, and socio-cultural competence. Despite abundant research on DLE programs (Howard et al., 2018),…

The number of elementary Mandarin dual language immersion (MDLI) programs continues to grow across the United States. The lack of available and proven effective Mandarin language arts curriculum and assessments aligned to state and world language standards, including age-appropriate and high-quality reading materials, remains a serious issue for…

This quantitative, longitudinal matched pairs study determined whether elementary Spanish immersion students performed better on reading end-of-grade exams in Grades 3-5 than their non-immersion traditional peers in the same grades. African American and Hispanic students from two Spanish immersion schools in a suburban North Carolina district were…

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…

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 second language acquisition, it is well known that an early age of onset and an extensive amount of naturalistic input are key elements promoting successful learning outcomes. What is less well known is what outcomes we can expect when the main source of these elements is full-immersion schooling, defined for the purposes of this study as a…

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)…

The U.S. is growing in its recognition of the value of multilingualism, and is rapidly expanding educational programs, such as dual language immersion (DLI), to that end (Singleton et al., 2018). However, the historical socio-political, regulatory, and cultural contexts have led to a current climate that may not demonstrate equivalent value of its…