A randomized controlled trial study was conducted to test the effectiveness of 16 sessions of the modalities of individual and group child-centered play therapy (CCPT) on improving social-emotional assets, including self-regulation/responsibility, social competence, and empathy. Participants were 56 students in four urban elementary schools in north central Texas, referred by teachers for disruptive or problematic behavior: 10 female and 46 male; ages 5 to 10 years with mean age 7.12; and 21 identifying as Hispanic, 17 as White, 8 as Multiracial, 1 as Asian, and 9 unspecified. Teachers and parents completed the Social and Emotional Assets and Resilience Scale (SEARS; Merrill, 2011) at pre- and post-treatment. With a significance criterion of p< .05, teacher reports provided no statistically significant results. However, parent reports indicated a statistically and practically significant interaction effect with a medium to large effect size, indicating a substantial improvement in children's scores from pre- to post-test attributed to group assignment. Mean differences indicated substantial gains in overall social-emotional assets, according to Total scores, in both individual and group treatment conditions as compared to the waitlist control group. Additionally, both individual and group play therapy was correlated with significant improvement with a large effect for the constructs of …