As school systems work to recover from the COVID-19 pandemic, states continue to grapple with persistent teacher shortages, a lack of teachers of color in the workforce, and high turnover rates undermining recruitment efforts. Teachers' effectiveness and their likelihood of staying in teaching are strongly influenced by the quality of preparation…

Teacher evaluation reform has been among the most controversial education reforms in recent years. It also is one of the costliest in terms of the time teachers and principals must spend on classroom observations. We conducted a randomized field trial at four sites to evaluate whether substituting teacher-collected videos for in-person…

States, programs, and schools have long focused on the inputs of teacher preparation--the rules for candidates and the preparation programs they attend--because inputs were thought to predict teacher effectiveness, and because they were often the best option available. But in the early 2000s, policymakers began trying to evaluate preparation…