This analysis on the age distribution of public school teachers have been prepared by Dr. Richard Ingersoll for the National Commission on Teaching and America's Future (NCTAF), using data gathered through the U.S. Department of Education's Schools and Staffing Survey (SASS), which is administered every four years. The data for this analysis are…

In this paper, we report the results of a pilot study of the cost of teacher turnover in five school districts. We examine the rate of turnover, the relationship between turnover and teacher and school characteristics, and the costs associated with recruiting, hiring, and training replacement teachers. We find evidence that turnover costs,…