Out-of-school, community demographic and family-level variables have an important influence on student achievement as measured by large-scale standardized tests. Studies described here demonstrated that about half of the test score is accounted for by variables outside the control of teachers and school administrators. The results from these…

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…

Students not reading proficiently by the end of 3rd grade are four times more likely than proficient readers to drop out of high school. This fact and other recent research on the importance of early literacy skills have culminated in an intense focus on improving 3rd-grade reading proficiency. The challenges of improving literacy are, in turn,…

Many states and school districts are implementing test-based requirements for promotion at key transitional points in students' schooling careers, thus ending the practice of "social promotion"--promoting students who have failed to meet academic standards and requirements for that grade. In 2003-2004, the New York City Department of…

Many students with disabilities need to use accommodations to meaningfully access instruction and to be appropriately assessed. During the past decade, the use of assessment accommodations has dramatically increased the participation rates of students with disabilities in statewide testing. Assessment accommodations can be defined as "changes…

Accountability for students with disabilities who receive special education services is now a result of policy requirements in the Individuals with Disabilities Education Improvement Act (IDEA) of 2004 and the No Child Left Behind Act (NCLB) of 2001. Together these pieces of federal legislation require that students participate in statewide…