Self-concept and adjustment are two important psychological aspects influencing the personalities of individuals. The term self-concept refers to the individual's perception or view of himself. It refers to those perceptions, beliefs, feelings, attitudes, and values which the individual's perception of his abilities and his status and roles in the outer world. Self-esteem is another way of viewing self-concept. A person with high self-esteem has a positive self-concept while a person with low self-esteem has a negative self-concept. Life is a process of progressive adjustment and children should be stimulated to do their best. The aim of the education is to develop the personality of the child to make to adjust with the environment. If the adjustment is not proper it leads to the maladjustment. The researcher made an attempt to study the self-concept and existing adjustment problems of the students with respect to their sex and type of school. Further an attempt has been also made to study the relationship between the self-concept of the learners and their adjustment problems. A normative survey method was used for the present research. A sample of 120 students of Warangal City was selected by simple random sampling technique. The study revealed that no significant difference was found between boys and girls in self-concept and adjustment but the difference was found between the private and government school students. The co-efficient of correlation between the students' self-concept and adjustment is found to be -0.70, which is significant at 0.01 level. It indicates that high scores in self-concept tend to accompany with low scores in adjustment and vice versa.