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…

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)…

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…

This article reports on a study that investigated achievement in math of third and fourth grade dual language immersion (DLI) students, building on research that has demonstrated the academic achievement of students who receive content instruction predominantly in the target language. Our study expands the scope and methodology of prior research…

This study investigates second language acquisition of learners enrolled in a dual language/two-way bilingual immersion program. Two groups of third-grade students participated in this study. The first group was composed of Spanish-dominant participants learning English, and the second group was composed of English-dominant students learning…

We describe research results and lessons learned from a laboratory/ classroom collaboration with a school system offering both traditional English-only education and a dual-language track (Spanish/English). Through this collaboration, we addressed basic research questions informing malleable factors that impact cognitive development. In a…

This report summarizes existing evidence on the impact of mixed language classroom instruction, providing a summary of 2017 Austin Independent School District elementary students' performance on the state's reading test.

Research has demonstrated that students in dual-language immersion programs perform as well as, or better than, their peers in core academic content areas by late elementary school. However, the extent to which immersion education fosters bilingualism has received less attention in the literature. Using data from a four-year efficacy study of…

Research has demonstrated that students in dual-language immersion programs perform as well as, or better than, their peers in core academic content areas by late elementary school. The extent to which immersion education fosters bilingualism, however, has received less attention in the literature. Using data from a four-year efficacy study of…

This article investigates the differences in academic achievement trajectories from elementary through middle school among English Learner (EL) students in four different instructional programs: English Immersion (EI), Transitional Bilingual (TB), Developmental Bilingual (DB), and Dual Immersion (DI). Comparing students with the same parental…

One in five school-age children in the U.S. speaks a language other than English at home (Zeigler & Camarota, 2014). Roughly half of these emerging bilingual students (Garcia, 2009) are classified as English learners (ELs) when they enter school, meaning they do not meet state or district criteria for English proficiency (NCES, 2015). As the…

The current pilot study compares the overall academic achievement in the area of language arts literacy among elementary bilingual students enrolled in either a Dual Language: Two-Way Immersion program or in an Early Exit, Transitional Bilingual program in a large urban public school district. By analyzing the results of curriculum based measures…

Background: In the "Horne v Flores" Supreme Court decision of June 25, 2009, the Court wrote that one basis for finding Arizona in compliance with federal law regarding the education of its English learners was that the state had adopted a "significantly more effective" than bilingual education instructional model for EL…

This paper investigates the differences in academic achievement trajectories from elementary through middle school among English Learner students in four different instructional programs: English Immersion, Transitional Bilingual, Developmental Bilingual, and Dual Immersion programs. Comparing students with the same parental preferences but who…

Thailand boasts a robust ESL system in both public and private schools, where students learn various subjects from native speakers in the English language. Foreign language classroom anxiety (FLCA) is a subject that is relevant to ESL instruction and learning. This study assesses associations between FLCA and academic performance in English and…