There are many types of programs for Spanish speaking students in the US, with varying methods and goals. Some preliminary work suggests that bilingual classrooms may differ widely in instruction, even under the same program labels. However, there are few studies which have compared the extent to which various bilingual program models differ in…

We provide data 3 to 4 years postintervention for four samples of English language learners from two sequential Grade 1 cohorts who received supplemental Grade 1 reading interventions in Spanish or English and for whom the language of instruction for intervention was matched with language of core reading instruction. Participants were 300 students…

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…

The effectiveness of an explicit, systematic reading intervention for first-grade students whose home language was Spanish and who were at risk for reading difficulties was examined. Participants were 69 students in 20 classrooms in 7 schools from 3 districts who initially did not pass the screening in Spanish and were randomly assigned within…