Adolescence is a period of transition from childhood to adulthood. During this period, adolescents will experience various changes in their lives and are at risk of experiencing various problems. These characteristics of teenagers make them need self-control training. In this study, the sample of teenagers who were taken were high school students who were in the dormitory. This study aims to examine the effectiveness of self-control training to improve discipline in female students conducted at the L High School (SMA) in the city of Depok, West Java. The results showed that there was a difference of 0.001 (sig. > 0.01) which was carried out with the t-test. These results show that self-control training is very influential on increasing female students' self-control while in school dormitories.