All but four states in the nation now permit teachers to come into the profession through an "alternate route," compared to only a few 30 years ago. Alternate routes into the classroom have grown so acceptable that about one in five teachers now enters the profession through one of these programs, which offer some real benefits to the…

In both the United States and Europe, concerns have been raised about whether preservice and in-service training succeeds in equipping teachers with the professional knowledge they need to deliver consistently high-quality instruction. This article investigates the significance of teachers' content knowledge and pedagogical content knowledge for…