The decline in communication ethics and student behavior in the school environment often causes complaints from teachers. This study aims to analyze the effect of group guidance and counseling services with sociodrama techniques on the understanding of polite behavior of grade VII students at MTS Palu Barat. The method used is an experiment with a one-group pretest-posttest design and a quantitative approach. The research sample consisted of 10 students who were selected purposively from a population of 62 students. The instrument used was a Likert scale to measure aspects of politeness in interacting with teachers, parents, older people, peers, friends of the opposite sex, and younger people. Data were analyzed using the Wilcoxon test with a significance result of 0.005 (<0.05), indicating that Ha was accepted and Ho was rejected. These findings suggest that group guidance services incorporating sociodrama techniques have a significant impact on enhancing students’ understanding of polite behavior. Additionally, sociodrama techniques can be effectively integrated into school counseling programs to promote students’ social and emotional development. Keywords: increasing understanding, polite behavior, sociodrama, techniques
                        
                        
                        
                        
                            
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