A highly competent teacher workforce is a necessary foundation for improving children's educational outcomes, especially for those who rely most on schools for their success. Yet in the United States, shortages in the teaching force have been growing across the country, reaching crisis proportions in some teaching fields--such as mathematics,…

One of the most pressing issues facing policymakers is how to staff classrooms with a stable teaching force responsive to complex student needs and the growing demands of the knowledge economy. Recurrent teacher shortages are a function of both declines in entrants to teaching and high rates of teacher attrition, especially in low-income schools.…