The rising demand for dual-language immersion (DLI) programs, which offer core instruction in two languages from early grades onward, has raised questions about program design and access. We leverage the rapid expansion of DLI schools across the U.S. state of Utah to estimate effects of DLI program availability on the academic achievement of…

This article reports an action-research project aimed at designing, applying, and assessing a didactic sequence for teaching English as a foreign language in the first grade of a public school in Cali. The article comprises the context, reasons that justified the research, theoretical support, methodology, and results, analyzed through descriptive…

This quasi-experimental study tested the efficacy of a research based biliterate reading strategy, Lotta Lara, that is part of a larger paired literacy instructional program. Its purpose was to investigate whether the biliterate reading strategy, which focuses on reading fluency, comprehension, and oracy through whole group instruction, impacted…