This study evaluated the effects of a cross-age peer learning program targeting vocabulary and comprehension in kindergarten and fourth-grade classrooms with substantial proportions of English Learners (ELs). The study followed a quasi-experimental design with 12 classrooms (6 kindergarten and 6 fourth grade) in the intervention group and 12…

The focus of the present study was enhancing word problem and calculation achievement in ways that support prealgebraic thinking among second-grade students at risk for mathematics difficulty. Intervention relied on a multitier support system (i.e., responsiveness to intervention, or RTI) in which at-risk students participate in general classroom…

The 3-year Pennsylvania Dyslexia Screening and Early Literacy Intervention Pilot Program (Pilot) began in 2015-16 (Year 1) with the kindergarten class of 2015-16 (Cohort 1). In 2016-17 (Year 2), the Pilot was implemented with Cohort 1 students, now in first grade, and a second cohort of kindergarteners (Cohort 2). A third cohort will be added in…

The purpose of this study was to evaluate the impact of Achieve3000, a differentiated online literacy curriculum, on students' scores on the California State Test (CST). In the 2011-12 school year, 1,957 students in Chula Vista began using Achieve3000's solutions in 3rd through 8th grade. Using a form of propensity score matching called Inverse…