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…

It is commonly assumed that urban school districts hire teachers late due to issues related to district size and/or restrictions in collectively bargained teacher contracts affecting teacher hiring and transfers between schools. Our investigation of late teacher hiring and collective bargaining is based on a survey of 40 school districts that…