The focus and purpose of master's degree student affairs preparation programs is to prepare students to become competent student affairs practitioners. Program assessments, especially those focused on outcomes are important metrics for understanding the role and impact of student affairs professional preparation programs. A well designed competency based program model integrates outcome assessment throughout the design and implementation of the curricular and educational process. This article outlines the components of a competency-based student affairs preparation program model. It presents a case summary example of the development of such a program model, including the metrics developed to measure its competency-based outcomes. It also summarized findings from an alumni survey of the program and efforts to assess program outcome results.