Adolescents with disabilities have great difficulty with academic content in middle school, and their teachers have difficulty teaching them to understand and use academic language. We taught teachers of 6th grade students with Learning Disabilities, over half of whom were also English Language Learners (ELL), to implement about 15 minutes of…

The purpose of this study was to determine which of four Response to Intervention (RTI) programs, System 44, Read 180, Lexia Reading Core5, or Read Naturally, was most effective for alleviating phonics and phonemic awareness reading deficits in students struggling to read fluently and comprehensively. The problem related to this research is that…

This study evaluated the efficacy of the Word Learning Strategies (WLS) supplementary program designed to develop upper-elementary students' vocabulary skills in order to improve reading comprehension. The study used a true, group-randomized, experimental design, which randomly assigned 46 4th grade classrooms (n=1324 students) from 12 districts…

We estimate relative achievement effects of the four most commonly adopted elementary mathematics textbooks in the fall of 2008 and fall of 2009 in California. Our findings indicate that one book, Houghton Mifflin's "California Math," is more effective than the other three, raising student achievement by 0.05 to 0.08 student-level…

This article reports on a study that investigated achievement in math of third and fourth grade dual language immersion (DLI) students, building on research that has demonstrated the academic achievement of students who receive content instruction predominantly in the target language. Our study expands the scope and methodology of prior research…

The article examines the results of two quasi-experimental studies of the implementation and impact of the Literacy Design Collaborative (LDC), an intervention designed to support secondary teachers' transition to Common Core State Standards in English language arts. The first study examines LDC implementation by eighth-grade social studies and…

The Bill and Melinda Gates Foundation invested in the Literacy Design Collaborative (LDC) as one strategy to support teachers' and students' transition to the Common Core State Standards (CCSS) in English language arts. This report provides an early look at the implementation of LDC in sixth-grade Advanced Reading classes in a large Florida…