This study examined the contribution of classroom format on teaching effectiveness and achievement in English language arts (ELA) and mathematics. Secondary data analyses of the Measures of Effective Teaching database included 464 US classrooms. Classrooms were defined as self-contained if a generalist teacher provided instruction on all subjects…

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…

Debate about teacher supply, demand, retention, and attrition has been renewed in recent years by an increased concern about the reduced numbers of prospective teachers entering teacher education programs, the high attrition rate of beginning teachers, and the resulting teacher shortages. U.S. schools are experiencing teacher shortages, especially…