Using detailed data from North Carolina, we examine the frequency, incidence, and consequences of teacher absences in … public schools, as well as the impact of an absence disincentive policy. The incidence of teacher absences is regressive …: schools in the poorest quartile averaged almost one extra sick day per teacher than schools in the highest income quartile …

We use data on statewide end-of-course tests in North Carolina to examine the relationship between teacher credentials …-random distribution of teachers and students among classrooms within schools. We find compelling evidence that teacher credentials affect … distribution of teacher credentials by race and socio-economic status of high school students -- a pattern we also document …

between specific teacher credentials and student achievement. In this paper, we use a rich administrative data set from North … Carolina to explore a range of questions related to the relationship between teacher characteristics and credentials on the one … and with far more confidence than has been possible in previous studies. We conclude that a teacher's experience, test …

of various teacher qualifications on student achievement. One of the strategies we use to minimize this bias is to … assignment. Using data for 5th grade, we consistently find significant returns to teacher experience in both math and reading and … advantaged students, a finding that may help explain why the observed form of teacher-student matching persists in equilibrium …