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,…

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…

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 quantitative causal-comparative study investigated the growth performance scores of English learners in grades three through five in reading, mathematics, and science in four English language educational programs: English as Second Language (ESL), Transitional Bilingual Education (TBE), Dual-Language Immersion (DLI), and No Services. I used…

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…

This mixed-methods study investigates the ideologies, attitudes, and understandings of language, bilingualism, and second language acquisition among students, teachers, and parents in a Bay Area dual immersion (DI) program. The work shows that despite rhetoric and awareness of language variation, students' and teachers' approaches to language…

This quantitative, causal-comparative study examined the possible cause and effect relationship between educational programming, specifically one-way Spanish immersion and traditional English-only, and native English-speaking fifth graders' vocabulary and reading comprehension. Archival data was used to examine students' reading achievement as…

This dissertation was designed to provide a comprehensive data-driven evaluation of a Chinese language Immersion Program (CIP) for the stakeholders. CIP was implemented in 2006 with a goal for students to become proficient in the Chinese language and develop increased cultural awareness while reaching at least the same level of academic…

The present study investigated the efficacy of early English immersion in the Shi Da Fu Elementary School in Xi'an, China. Three hundred and fifty one students were tested in Grades 1-6. There were two main purposes that motivated this longitudinal and cross-sectional study. The first goal was to compare the L1 and L2 language and literacy…

Two-way immersion (TWI) programs teach English Learners (ELs) and native English speakers in the same classroom using both languages in an immersion approach. Studies suggest that TWI programs result in greater student integration, thus providing a promising alternative for Spanish speaking ELs, who are frequently concentrated in high poverty,…