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…

Although states have maintained a focus on recruiting and retaining teachers, many schools and districts still face daunting challenges in ensuring a qualified and competent teaching corps. It is particularly difficult for schools considered hard to staff-those with high concentrations of low-performing, low-income students; high teacher turnover;…