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…

Improving teacher preparation is critical to long-term improvement in teacher quality. More than 200,000 new teachers enter classrooms each year. Increasing student enrollment, the retirement of baby boom generation teachers, and high attrition in their first five years (between 40 and 50 percent of new teachers leave the profession) have…