To help improve research-based knowledge of effective instruction for low-literate ESL (English as a second language) learners, the National Center for Education Evaluation and Regional Assistance of ED's (U.S. Department of Education's) Institute of Education Sciences contracted with the American Institutes of Research (AIR) to conduct a Study of…

This study tested the efficacy of supplemental phonics instruction for 84 low-skilled language minority (LM) kindergarteners and 64 non-LM kindergarteners at 10 urban public schools. Paraeducators were trained to provide the 18-week (January-May) intervention. Students performing in the bottom half of their classroom language group (LM and non-LM)…

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…

This study investigated the effects of three instructional conditions on precursors to successful reading for Spanish-speaking English language learners (ELL). The study was conducted using a randomized, alternate treatment control group design specifically targeting phonological awareness (PA) listening comprehension (LC), and decoding in a…

Spanish-dominant bilingual students in grades 2-5 were tutored 3 times per week for 40 minutes over 10 weeks, using 2 English reading interventions. Tutoring took place from February through April of 1 school year. One, Read Well, combined systematic phonics instruction with practice in decodable text, and the other, a revised version of Read…

This study was conducted by members of a site of the California Writing Project in partnership with a large, urban, low-SES school district where 93% of the students speak English as a second language and 69% are designated Limited English Proficient. Over an eight-year period, a relatively stable group of 55 secondary teachers engaged in ongoing…

Two studies of Grade 1 reading interventions for English-language (EL) learners at risk for reading problems were conducted. Two samples of EL students were randomly assigned to a treatment or untreated comparison group on the basis of their language of instruction for core reading (i.e., Spanish or English). In all, 91 students completed the…

A first-grade reading and language development intervention for English language learners (Spanish/English) at risk for reading difficulties was examined. The intervention was conducted in the same language as students' core reading instruction (English). Two hundred sixteen first-grade students from 14 classrooms in 4 schools from 2 districts…