Teacher turnover in urban high-poverty schools is detrimental to students' achievement. In fact, one of the most prevalent social justice issues today is the unequal distribution of experienced teachers to urban high-poverty schools. Researchers suggest that experienced teachers are more effective at raising student performance than new or early…

Substantial teacher turnover poses a challenge to staffing public schools with effective teachers. The scope of the teacher retention challenge across school districts, however, remains poorly defined. Applying consistent data practices and analytical techniques to administrative data sets from 16 urban districts, we document substantial…