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…

Language immersion education uses a non-English language for a significant portion of instruction. One goal is to develop bilingual students, which many argue provides cognitive benefits. Using data from school choice lotteries, I estimate the effect of random assignment to a language immersion school on achievement in math and reading. Winning…

This study assesses the long-term linguistic and academic outcomes associated with different bilingual language education models for low-income dual language learners (DLLs) residing in a bilingual, bicultural context. As part of the Miami School Readiness Project (MSRP), we analyzed the impact of program model on gains in English language…

A Mandarin/English two-way immersion elementary program is described from its inception and implementation through the fifth grade, the culminating year of the program. All students in all grades were assessed on their oral/listening, reading, and writing performance in Mandarin using program-created assessment measures. Fifth-grade students also…

The evidence gathered in the present study supports the use of the simultaneous development of test items for different languages. The simultaneous approach used in the present study involved writing an item in one language (e.g., French) and, before moving to the development of a second item, translating the item into the second language (e.g.,…

In this position article, we explore what happens when school district policies regarding desegregation, accountability, and foreign language immersion education collide. Specifically, we contrast 2 immersion programs that experienced distinct outcomes as a result of the conflicting agendas underlying these 3 policies. One program, originally…

Increasing standardized test scores in reading and math is of high importance to the California Department of Education to meet requirements mandated by the No Child Left Behind (NCLB) act of 2001. More research is needed to understand the best ways to improve tests scores to meet concerns of the NCLB act. The purpose of the study was to evaluate…