The purpose of the current investigation was to develop and provide initial validation of the "Social and Academic Behavior Risk Screener" (SABRS). Research was conducted in southeast elementary schools with 54 teacher and 243 student participants. An initial item pool was created through review of developmental research on the trajectory of behavior problems and competencies, as well as various models of social, emotional, and academic competence. A content validation process in addition to reliability and exploratory factor analyses resulted in development of a 12-item SABRS scale. Two factors emerged, with six items corresponding to "Social Behavior" and 6 items corresponding to "Academic Behavior." Subsequent correlational and receiver operating characteristic curve analyses revealed each scale, as well as an overall combined scale, to be a concurrently valid and diagnostically accurate predictor of the Social Skills Improvement System (SSIS) Teacher Rating Scales. The reader is provided a review of implications for practice and directions for future SABRS research.