The present study is aimed to compare adolescent boys and girls on the level of self -concept and emotional maturity. The sample consisted of total 40 adolescents. 20 boys and 20 girls. Data was collected from a renowned school of Jodhpur. Self-concept inventory and Emotional maturity scale were used to measure self-concept and emotional maturity respectively. The statistical results were obtained using Mean, standard deviation, ‘t’ test and Pearson product moment correlation coefficient. The results indicated negative correlation between self-concept and emotional immaturity of both the groups. (Emotional maturity scale measures emotional immaturity).