This study addresses the predictive validity of results from a screening system of academic enablers, with a sample of Australian elementary school students, when the criterion variable is end-of-year achievement. The investigation included (a) comparing the predictive validity of a brief criterion-referenced nomination system with more comprehensive behavior ratings, and (b) determining the optimal combination of scores to gather from this system for identifying academic difficulties. Students (n = 360) were rated using both the Performance Screening Guides (PSGs; Elliott & Gresham, 2007) and the Rating Scales (Gresham & Elliott, 2008) of the Social Skills Improvement System. The PSGs were highly sensitive (0.95) predictors of below minimum standard performance on the national test. The Rating Scales, including the brief academic competence scale in particular, added predictive value in most domains. The discussion addresses implications of these findings for school psychologists and other educators interested in the role of social behaviors as academic enablers and predictors of academic achievement. (Contains 6 tables and 1 note.)