This is the second and final report of the Middle School Mathematics Professional Development Impact Study, which examines the impact of providing a professional development (PD) program in rational number topics to seventh-grade mathematics teachers. An interim report (Garet et al. 2010) described the findings after one year of PD. The current…

Student achievement in mathematics has been a focal concern in the United States for many years. The National Research Council's 2001 report and the recent report of the National Mathematics Advisory Panel (2008) both called attention to student achievement in mathematics, and both called for all students to learn algebra by the end of eighth…

The "No Child Left Behind Act of 2001 (NCLB)" is designed to achieve an ambitious goal: All children will be proficient in reading and mathematics by the 2013-14 school year. A key strategy for achieving this goal is accountability. Based on findings from two federally funded studies--the Study of State Implementation of Accountability…

The federal government has had a long-standing commitment to ensuring access of English Learner (EL) students to a meaningful education. As early as 1968, the "Elementary and Secondary Education Act" ("ESEA") contained provisions for supporting the education of EL students and in its 1974 landmark decision, "Lau v.…

This report presents findings about accountability from two longitudinal studies, the National Longitudinal Study of "No Child Left Behind" (NLS-"NCLB"), and the Study of State Implementation of Accountability and Teacher Quality Under "No Child Left Behind" (SSI-"NCLB"). The research teams for these two…