This document details a behavioral intervention program aimed at improving group participation in a 9-year-old boy named Drew, utilizing positive reinforcement techniques. The program, conducted in a regular classroom setting, involved assessments, intervention procedures, and monitoring of Drew's social interactions, ultimately resulting in a significant increase in his participation from an average of 14.82% to 59.67%. Findings recommend ongoing reinforcement strategies to maintain Drew's engagement in social settings across various school environments.