This study examined the effects of social capital and ego-resilience of children perceived parent-child relationship and sociodemographic variables on their school adjustment. The subjects were 384 4th, 5th and 6th grade students living in Gyeong-gi and Incheon. Collected data was subjected to descriptive statistical analysis, Pearson’s correlation, t-test, one-way ANOVA and multiple regression analysis. Results were : (a) Children’s school adjustment varied with their grade in school, birth order and mother’s employment. (b) Social capital of parent-child relationship, ego-resilience, and school adjustment were correlated with one another. (c) Control was the strongest predictor for children’s school adjustment.