A teacher's sense of self-efficacy has been consistently recognized as an important attribute of effective teaching and has been positively correlated to teacher and student outcomes. A number of studies show the impact of teachers with high levels of efficacy. Students of these teachers have outperformed students who had teachers with lower…

The authors question whether elementary students will have access to effective science and mathematics instruction within the current structure of elementary schools, in which each classroom teachers is expected to possess the expertise to teach all subjects well. They review research showing that good teachers are the key to student achievement…