The current study analyzes the relationship between elementary school reading achievement and participation in the following language acquisition programs--transitional bilingual, developmental, two-way bilingual immersion, and English immersion. With a focus on the achievement of Spanish-dominant English learners, the study uses multilevel models…

It is well-documented that there is a strong relationship between vocabulary and reading comprehension in school-age children. Limited vocabulary knowledge can impact a student's reading achievement, as may be the case for school-age English Learners (ELs). This study aims to analyze the role of vocabulary in predicting reading comprehension…

The present study examined the effect of children's enrollment in U.S. dual-language immersion (DLI) programs in first grade on English development across five years, using the Early Childhood Longitudinal Study, Kindergarten Class of 2011 (ECLS-K:2011) database. Propensity score matching was used to create comparable groups of DLI and non-DLI…

Using data from seven cohorts of language immersion lottery applicants in a large, urban school district, we estimate the causal effects of immersion programs on students' test scores in reading, mathematics, and science and on English learners' (EL) reclassification. We estimate positive intent-to-treat (ITT) effects on reading performance in…

Using data from seven cohorts of language immersion lottery applicants in a large, urban school district, we estimate the causal effects of immersion programs on students' test scores in reading, mathematics, and science, and on English learners' (EL) reclassification. We estimate positive intent-to-treat (ITT) effects on reading performance in…

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.

This report examines dual language program implementation in three Texas public school districts similar to Austin Independent School District. The school districts are compared in terms of demographic composition, program implementation, and English language learner (ELL) students' academic performance in 2014 on the state's academic test, STAAR.

The development of English and Spanish reading and oral language skills from kindergarten to third grade was examined with a sample of 502 Spanish-speaking English language learners (ELLs) enrolled in three instructional programs. The students in the transitional bilingual and dual-language programs had significantly higher scores than the…

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 article reports the outcomes of a multiyear study comparing the English and Spanish language and reading performance of Spanish-dominant children randomly assigned, beginning in kindergarten, to transitional bilingual education (TBE) or structured English immersion (SEI) for periods of up to 5 years. On the Peabody Picture Vocabulary Test and…

Chapter 3: This study investigated the effects of a new, Spanish two-way immersion program on first through third grade students' English and Spanish proficiency. All students were from an urban, high-poverty community in the Midwest that is English dominant, in a predominantly Anglo state. English-speakers in the two-way immersion program score…

This paper reports the fifth-year results of a study comparing the English and Spanish language and reading performance of Spanish-dominant children randomly assigned beginning in kindergarten to Transitional Bilingual Education (TBE) or Structured English Immersion (SEI). This is the first randomized study to compare TBE and SEI reading…

Focuses on African-American students' math and reading achievement in a Spanish-English two-way immersion program, from grade 1 to grade 4. Shows African-American students perform significantly lower than do majority White students on achievement tests at all grades. There is no significant difference between the two ethnic groups in Spanish…

A successful collaboration resulted in a researcher and a teacher linking professional development with change in small-group reading instruction and student achievement. The context was a two-way Spanish-English bilingual immersion first-grade classroom with many English language learners (ELLs), located in a low-performing, high-poverty school.…

A study of progress in the Edison Elementary School (California) bilingual immersion program after its first year of implementation looked at: (1) student levels and gains in first and second language proficiency; (2) levels of math and reading achievement and their possible relationship to student language background; (3) levels of students'…