Under the current version of the Elementary and Secondary Education Act (ESEA), public schools must show consistent improvement in achievement for all students including English language learners (ELL) and students with disabilities. The assessment of ELL students and students with disabilities can present unique challenges to schools that must…

Educational accountability has grown substantially over the last decade, due in large part to the No Child Left Behind Act of 2001. Accordingly, educational researchers and policymakers are interested in the statistical properties of accountability models used for NCLB, such as status, improvement, and growth models; as well as others that are not…

Accountability in the nation's public schools has become a matter of considerable urgency since the 2001 amendment of the federal Elementary and Secondary Education Act (ESEA) of 1965. Under this most recent version of the ESEA, as of the 2007-08 academic year states and districts must assess the mathematics and reading proficiency of students…

Recently, there has been increasing interest among state governments in establishing statewide testing of high school students. This interest has been driven by various goals, such as reforming high schools, improving the alignment between P-12 requirements and postsecondary expectations, and fulfilling the mandates of the federal No Child Left…