An analysis of data on teachers indicates coming changes in recruitment and retention of the American teaching force, in the quality of teachers, and in the attractiveness of teaching as a profession. New recruits to teaching are less academically qualified than those who are leaving, and shortages of qualified teachers in subjects such as…

Many reports have pointed to the need to improve the quality of mathematics and science teaching in schools in the United States and to alleviate the shortage of qualified teachers. A policy focus on the teaching force is reinforced by the fact that the ability of the United States to compete in an increasingly technological world economy depends…