The purpose of this study was to investigate the effects of a sense of community and trust in charitable organization on donation motive and attitude. For this study, 901 adolescents were surveyed in four areas of Chungnam province. And data analysis was performed by frequency analysis, T-test, ANOVA, correlation analysis, and structural equation modeling. The major results were as follow. First, it was found out that donation attitude was higher in female adolescents than male adolescents, and in high school students than middle school students. Second, there were positively significant correlation among a sense of community, trust in charitable organization, donation motive, and donation attitude. Third, as a result of SEM, donation motive was fully mediated between trust in charitable organization and donation attitude as well as between a sense of community and donation attitude. Lastly, the limitations of this study and policy implication for the activation of donation were presented.