Average score change: How big is big? This paper discusses school-level changes in average ACT scores and highlights an interactive tool designed to facilitate score change comparisons.

States and districts have expressed interest in administering the ACT® to 10th-grade students. Given that the ACT was designed to be administered in the spring of 11th grade or fall of 12th grade, the appropriateness of this use should be evaluated. As such, the focus of this paper is to summarize empirical evidence evaluating the use of the ACT…

The 2001 reauthorization of the Elementary and Secondary Education Act (ESEA) known as No Child Left Behind and more recent federal initiatives such as Race to the Top and the ESEA flexibility waiver have brought student growth to the forefront of education reform for assessing school and teacher effectiveness. This study examined growth…

This manual contains information about the American College Test (ACT) Plan® program. The principal focus of this manual is to document the Plan program's technical adequacy in light of its intended purposes. This manual supersedes the 2011 edition. The content of this manual responds to requirements of the testing industry as established in the…

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…