This study aimed to find out the correlation between senior high school students' anger at school and the quality relationship of parents-adolescents, peer pressure, narcissistic personality, and school climate. The instruments used were student anger at school inventory, scale of adolescent and family attachment, peer pressure inventory, narcissistic personality inventory and school climate questionnaire. Seven hundred students of eleven grade from thirteen senior high schools both private and state in Semarang-Indonesia participated in this research. The hypotheses on this study were analyzed using product moment correlation. The results of this study showed that 1) there was a negative correlation between students' anger at school and quality relationship between parents and adolescents; 2) there was a positive relationship between students' anger at school and peer pressure; 3) there was a positive relationship between students' anger at school and narcissistic personality; 4) there was a a negative relationship between students' anger at school and school climate. Further analysis by Anova suggested that the strongest predictor for student anger was peer pressure.