This study aims to identify the requirements of applying evidence-based practice (EBP) of social work in secondary schools. The sample includes (348) school social workers who were randomly assigned. The study concludes that the concept of EBP is not clear to social workers working in secondary schools. It also demonstrates that the most important requirements of EBP of social work in secondary schools, in order of importance, are knowledge requirements, skill requirements and ethical requirements. Finally, the study determines the barriers of applying EBP of social work in secondary schools.