The purpose of this study was to examine the influences of child abuse, teachers violence, and peer victimization on childrens adjustment. The 451 subjects(238 boys and 213 girls) were selected from the 5th graders of elementary schools and 2nd graders of middle schools in Pohang City. The subjects reported child abuse, teachers violence, victimization by peers, self-esteem, depression, and anxiety. The data were analyzed by factor analysis, Cronbach $alpha$, t-test, and multiple regression. The main findings of this study were as follows: (1) Boys were more focused on physical.emotional abuse, physical.verbal victimization, and physical violence by teacher than girls. (2) Elementary school students were more focused on violence by teacher and peers than middle school students. (3) Influences of child abuse, teachers violence, and peer victimization on childrens self-esteem, depression, and anxiety had difference among subtypes of child abuse, teachers violence, and peer victimization.