Test-based accountability as well as value-added asessments and much experimental and quasi-experimental research in education rely on achievement tests to measure student skills and knowledge. Yet, we know little regarding fundamental properties of these tests, an important example being the extent of measurement error and its implications for…

How to incorporate mobile students, who enter schools/classrooms after the start of the school year, into educational performance evaluations remains to be a challenge. As mandated by the No Child Left Behind Act of 2001 (NCLB), all states currently require that a school is accountable only if the student has been enrolled in the school for a full…

Teacher effectiveness and evaluation using student growth measures is a popular reform strategy in education. Teachers can make a difference in student academic growth, but a question that begs an answer is how to go about measuring this impact. This study examines models of teacher effectiveness and the development of hierarchical linear models…

All too often, literacy assessments are given only for accountability purposes and fail to be seen as valuable resources for planning and differentiating instruction. This clear, concise book shows K-5 educators how to implement a comprehensive, balanced assessment battery that integrates accountability concerns with data-driven instruction.…

The No Child Left Behind Act (NCLB) focuses on accountability for student achievement by mandating higher educational standards that are monitored through required annual student testing. The Complementary Assistance Learning Program (CALP), a before and after school tutoring and mentoring service, offers a potential means of accelerating the…

This report by the Center on Education Policy (CEP), an independent nonprofit organization, examines trends in the achievement of high school students on the state reading/English language arts (ELA) and mathematics tests used for accountability under the No Child Left Behind Act (NCLB). In most states, these tests are first administered in grade…

This article presents views of proponents and opponents to standardized tests, isolates the major weakness of testing--questionable validity--and offers several recommendations for the betterment of test development and use. Some major misuses of tests include the following: (a) tests are at times administered with no clear purpose; (b) test…

This report, submitted to the U.S. Department of Education, contains summary details of Delaware students' growth in the areas of reading, mathematics, writing, science and social studies. The results reported herein are part of a long-term effort to gather data on Delaware students' educational progress and use the data to inform decisions about…

Background: The overall goal of the No Child Left Behind Act (NCLB) of 2001 is to close, by the end of the 2013-2014 academic year, "the achievement gap between high- and low- performing students, especially the achievement gap between minority and non-minority students and, between disadvantaged children and their more advantaged peers"…