Job Corps is the largest and most comprehensive education and job training program in the United States for young people ages 16 to 24 who are not in school and are not working. To deepen the Job Corps program's ability to generate and use evidence to improve the labor market trajectories of eligible young people, this report discusses ways Job Corps can meet its statutory requirement to evaluate the program, as it is operating, every five years, as well as discussing types of research and evaluation activities it can use to build evidence over time to improve outcomes for young people. The current report proposes that Job Corps alternate between two types of comprehensive studies of its operations and its effectiveness: (1) A quasi-experimental impact study analyzing existing data, paired with an implementation study based on program data and data from a center director survey; and (2) A more rigorous impact study, paired with an in-depth implementation study, to address a broader set of questions, generate more in-depth answers to those questions, and yield more rigorous impact estimates.