Teacher turnover is a challenge for U.S. public schools. Research suggests that teachers' perceptions of their school working conditions influence their leaving decisions. Related research suggests that principals may be in the best position to influence school working conditions. Using 4 years of panel data constructed from the North Carolina…

Evidence that teachers' short-term instructional effects persist over time and predict substantial long-run impacts on students' lives provides much of the impetus for a wide range of educational reforms focused on identifying and responding to differences in teachers' value-added to student learning. However, relatively little research has…

While most educators assume that not all students try their best on achievement tests, no current research examines if behaviors associated with low test effort, like rapidly guessing on test items, affect teacher value-added estimates. In this article, we examined the prevalence of rapid guessing to determine if this behavior varied by grade,…