The aims of the study is to find out the effect of civilization education towards students attitude democracy sector of humbang hasundutan (a case study of Tenth Grade SMA Negeri Doloksanggul). This is accordance with data obtained and collected from the Indonesian teenagers Protection Commission (KPAI) in 2010 there were 102 cases. In 2011, 96 cases. Meanwhile, since January to August 2015 cases of student brawl have occurred about 103 times. The research method used in this research is explorative survey research method, namely the explanation of the research using questionnaires shown to the respondents. This research conducted in the students tenth grade of SMA Negeri in Doloksanggul City. The population of this study 1660 Senior High School students in Doloksanggul. While the sample there are at least 322 high school students. Questionnaires were distributed 850, while the questionnaire about 700 questionnaires. Based on the data shows that Pendidikan Kewarganegaraan (PKn) as a variable X has a positive impact. Each indicator of variable X is the intelligence of citizens X1 (intelligence citizenship) has a moderate effect of 0.5969. Responsibility of Residents X2 (civil responsibility) has a strong effect of 0.8354. While the X3 indicator of citizen participation (community participation) has influence of 0.6867 with strong category. Civil intelligence or X1, civil responsibility or X2, community participation or X3 positively influence the democratic attitude (Y) of Senior high school students of Doloksanggul . it can be seen from the p-values of the three variables X1, X2 and X3 respectively 0.001; 0,000; 0.001 less than = 5%.