The purpose of this paper is to showcase new research that seeks to provide guidance on the heterogeneity of treatment effects by utilizing the variance of demographic differences in state assessments. This study is focused on a simple randomized block design where students are nested within schools, and within each school students are randomized…

The Striving Readers program aimed to raise the literacy levels of middle and high school students reading below grade level and to build a strong research base on effective adolescent literacy interventions. This report summarizes the results of a systematic review of evaluations of the ten different interventions funded by the Striving Readers…

Randomized experiments are often considered the strongest designs to study the impact of educational interventions. Perhaps the most prevalent class of designs used in large scale education experiments is the cluster randomized design in which entire schools are assigned to treatments. In cluster randomized trials (CRTs) that assign schools to…

This article reports on a new study released by the Center on Education Policy (CEP) of states with five years of comparable test data which finds that student achievement in reading and math rose between 2005 and 2009 on state tests as well as on National Assessment of Education Progress (NAEP). The report also finds overlapping achievement gains…

Background: Cluster-randomized experiments that assign intact groups such as schools or school districts to treatment conditions are increasingly common in educational research. Such experiments are inherently multilevel designs whose sensitivity (statistical power and precision of estimates) depends on the variance decomposition across levels.…

Project CRISS[R] (CReating Independence through Student-owned Strategies) is a professional development program for teachers that aims to improve reading, writing, and learning for 3rd- through 12th-grade students. The implementation of Project CRISS[R] does not require a change in the curriculum or materials being used in the classroom, but…

Focusing on student proficiency in reading and math from 2003-04 to 2006-07, this report compares gaps in performance on state achievement tests between grade 8 American Indian and Alaska Native students and all other grade 8 students in 26 states serving large populations of American Indian and Alaska Native students. In response to a request by…

The No Child Left Behind (NCLB) Act provides support "to ensure that teachers have the necessary subject matter knowledge and teaching skills in the academic subjects that the teachers teach." Title II of the act allows funds to be used for "carrying out programs that establish, expand, or improve alternative routes for state…