This study explored the efficacy of conjoint behavioral consultation (CBC) by assessing objective outcomes and social validity with a sample of students with and without diversity. Diversity characteristics that were investigated included ethnicity, socioeconomic status, family composition, maternal education level, and language spoken in the home. Behavioral change, goal attainment, acceptability, satisfaction, and perceptions of efficacy of the CBC model were measured with 125 students representing varying levels of diversity, and 192 target behaviors. Data were collected across 8 years of a federally funded training program across two states. Findings indicated that CBC-mediated interventions yielded generally high effect sizes regardless of the presence of diversity or the number of diverse characteristics exhibited. Social validity measures also yielded very favorable results, suggesting that participants (teachers and family members, including those who experienced some form of diversity) found the procedures positive. Implications for research and practice are presented.The demographic composition of the United States is becoming increasingly diverse. Currently, 38% of elementary school children areThe research described herein was supported by federal grants awarded to the first author by the U.S. Department of Education, Office of Special Education and Rehabilitative Services. The statements and opinions contained herein belong to the authors and are not reflective of the granting agency.The authors would like to acknowledge the several parents, teachers, graduate students, and children who all contributed greatly to the completion of this study.