This chapter focuses on assessing one’s mastery of the professional competencies in field placement. It helps to identify the nine social work professional competencies and the role they play in social work education and accreditation. The nine competencies are: demonstrate ethical and professional behavior; engage diversity and difference in practice; advance human rights and social, economic, and environmental justice; engage in practice-informed research and research-informed practice; engage in policy practice; engage with individuals, families, groups, organizations, and communities; assess individuals, families, groups, organizations, and communities; intervene with individuals, families, groups, organizations, and communities; and evaluate practice with individuals, families, groups, organizations, and, communities. It reviews the knowledge, behavioral, and metadimensions of holistic competency and their subdimensions—knowledge, values, skills, and cognitive and affective processes. The chapter also reviews field placement learning contract, role and purpose in helping to structure and guide field learning experiences.