Academic stress is a negative physical and psychological reaction due to stressors and problems related to academic workload. Social support influences academic stress and can reduce academic stress. Experienced classroom incivility is related to academic stress and social support. The purpose of this study was to determine the effect of social support and experienced classroom incivility on academic stress. The subjects in this study were 113 adolescent students aged between 15-18 years. Data analysis in this study used multiple linear regression tests on SPSS 21. The results of this study indicated that there was a relationship between social support and academic stress (β=0.-417; p=0.000) and experienced classroom incivility was not related to academic stress