This chapter reviews the findings of a joint committee of the American School Counselor Association and the Association for Assessment in Counseling in the development of a document describing the assessment and evaluation competencies school counselors need. Among the skills universally considered important were making decisions about which assessments to use, synthesizing results for use in treatment, and communicating and interpreting test results to parents and school personnel. (Contains 15 references and 2 tables.) (GCP)