Teachers spend most of their time in school in classrooms, and their instruction and teaching practices may be affected by classroom context such as class size. We examine whether teacher effects interact with classroom context such as class size. Specifically, we seek to determine whether teacher effects are more pronounced in small classes than…

In 2002/03, the Charlotte-Mecklenburg Schools initiated a broad program of accelerating entry into algebra coursework. The proportion of moderately-performing students taking 8th grade algebra increased from less than half to nearly 90%, then reverted to baseline levels, in the span of just six age cohorts. We use this policy-induced variation to…

Large data sets from a state reading assessment for third and fifth graders were analyzed to examine differential item functioning (DIF), differential distractor functioning (DDF), and differential omission frequency (DOF) between students with particular categories of disabilities (speech/language impairments, learning disabilities, and emotional…

Students in grades 5 and 8 completed a state writing assessment, and their first and final drafts on the extended writing portion of the test were copied and scored using the state writing rubric. The rubric consisted of three primary traits: Content and Organization, Style and Fluency, and Language Use. Scorers were blind to the study purpose and…

Using the "HSTW" ["High Schools That Work"] Assessment Reading Test results, SREB [Southern Regional Education Board] has identified a set of literacy-based experiences that may contribute to higher reading achievement. This report explains the different school and classroom practices experienced by students reading above and below the Proficient…