In this study, more than 398 high-school students through cluster stratified sampling method were chosen in Hamedan. The data were gathered by a questionnaire and statistical indexes like T. Test, variance analysis, Pearson correlation, multivariable regressions, factor analysis and path analysis were applied. The results show that the average of political participation is 14.83 out of 27.85 and more than a half of students (54.2 percent) got less than the average point. Factors like educational satisfaction, political, family, friends, radio, news paper, magazines and family, friends, radio, news paper, magazines and family socialization have positive effects on the political participation.