The purpose of this study is to investigate the potential effects of Taekwondo training on self-control, self-efficacy, and school life satisfaction among adolescents to ensure more education in schools and to help contribute to a qualitative improvement in education.
In order to accomplish the study, questionnaire surveys were conducted of middle and high school students trained in Busan Taekwondo Association registered dojangs (Taekwondo training centers) in the six urban and rural districts of Busan Metropolitan City for six months or more.
Researchers, including assistant researchers, visited the survey sites, explained important details related to answering the questions, the purpose and content of the questions, and distributed the questionnaires. Subjects answered the questionnaire items using the self-administration method. A total of 495 survey forms out of 530 forms distributed were used in the actual analysis, excluding the 35 questionnaires that contained issues with the responses such as a lack of collection or unanswered items.
In this study, collected data was analyzed by SPSS / PC + Win. 21.0, while factor analysis and reliability tests were conducted to verify the validity and reliability of frequency analysis and measurement tools.
In order to test the hypothesis, t-testing and one-way ANOVA were conducted to analyze differences in self-control, self-efficacy and school life satisfaction according to the general characteristics of taekwondo training. Follow up verification utilized the Duncan method.
In order to analyze the relationship between self-control, self-efficacy and school life satisfaction based on Taekwondo training, Pearson''s correlation analysis was conducted. Moreover, regression analysis was used to provide analysis of the influence of Taekwondo training on self-control, self-efficacy and school life satisfaction.
The results obtained through the aforementioned study are as follows.

1. There was a significant difference in self-control, self-efficacy, and school life satisfaction based on the general characteristics of Taekwondo training.

2. Self-regulation, self-efficacy, and school life satisfaction showed a statistically significant positive correlation for all sub-factors based on Taekwondo training.

3. Taekwondo training has a positive effect on self-control, self-efficacy, and school life satisfaction.

The results of this study suggest that adolescent Taekwondo training is an effective educational program that positively affects self-control, self-efficacy, and school life satisfaction.
Therefore, it is thought that the results of the study will result in more effective education at schools and contribute to an improvement in the quality of education provided.