The role and duties of a school social worker can differ greatly by state. The National School Social Work Practice Model and the National Association of Social Workers' school social work standards describe practice approaches and behaviors endorsed by the School Social Work Association of America (SSWAA). The National Evaluation Framework for School Social Work Practice is intertwined with the practice model and standards. The purpose of this article is to provide an explanation of the school social workers' practice behaviors as described in the performance evaluation framework. This article takes a comprehensive look at what school social workers do and offers suggestions on role clarity and its relation to performance evaluation for school social workers. The performance evaluation tool endorsed by SSWAA will be described for use by school social workers and school administrators. This article also provides an explanation of how to apply the National Evaluation Framework for School Social Work Practice using a synthesis of recommendations on performance evaluation documentation.