This article provides an overview of the joint "Resolution on Gender and Sexual Orientation Diversity in Children and Adolescents in Schools" that was adopted by the American Psychological Association's (APA) Council of Representatives (CoR) and the National Association of School Psychologists' (NASP) Leadership Assembly during the summer of 2014. The authors describe the original resolution adopted by APA and NASP in 1993, highlighting aspects that were incorporated in the 2014 version, and noting the various groups that participated in writing the updated document. A summary of the 2014 resolution follows, along with a review of supplemental resources, and a discussion of potential school psychologist roles in implementing the resolution.