The purpose of this study is to examine the personal and environmental factors that affect the satisfaction of adolescents with their schools and to examine the differences between the main variables of the religious foundation school youth group and the non-religious foundation school youth group. For this purpose, secondary data was analyzed for 7,406 middle school and high school students in Korea who were subjects of the 2015 Child and Youth Human Rights Survey data of the Korea Youth Policy Research Institute. The results of the study are summarized as follows. First, in terms of demographic and sociological aspects, female students were more likely to be satisfied with school life and receive higher the grades than their male counterparts. The higher the student’s economic level the more they showed high school life satisfaction. Second, in terms of personal factors and environmental factors, the results are mostly consistent with those of previous studies. In terms of individual factors, the better the student’s physical health, mental health and self-concept, the higher their school satisfaction. In the environmental factors, the more parents perceived their children’s opinions, the less violence they experienced from their school friends, and the less they experienced discrimination, the higher their school satisfaction. Third, as a result of a statistical analysis comparing students of religious and non-religious schools, two statistically significant variables were verified, Which are physical health and school satisfaction. However, the interesting fact is that it came out the opposite result from the hypothesis claimed by the researcher. School-life satisfaction and physical health group.