As of September 2016, at least 50 teacher residency programs (TRPs) were training teachers in the United States. Modeled on medical residencies, TRPs combine coursework in education with extensive on-the-job training. They are designed to develop teachers for specific school districts or charter networks and typically pair a district with an institution of higher learning and/or a nonprofit partner. This fact sheet provides information on: (1) typical features of TRPs; (2) outcomes of TRPs; and (3) features of high-performing TRPs.