Self-esteem is a persons’ personal judgment of self-worth, based on how well behavior matches with self ideal. Self esteem increases with age and is more threatened during adolescence, when concepts of self care are being changed and many self decisions are made. Non-experimental correlational descriptive survey research design or ex-post facto research design is used in the study. In this study, purposive sampling technique was used to select residential school. Simple random sampling technique that is lottery method was used to select 60 adolescents who studying in residential school. Level of self esteem was assessed by using Rosenberg self esteem scale and Data collected was analyzed by using descriptive and inferential statistics. It revealed that highest that is 55% of adolescents had normal level of self-esteem, 36.67% of adolescents had high level of self-esteem and 8.33% adolescents had low level of self-esteem. There was significant association of self esteem with selected demographic variables such as Age (in years), year of education, type of family, fathers education status, mothers education status, occupation of the head of the family and number of siblings except gender and monthly income of the family. The findings of the study showed that adolescents may have varied level of self esteem. So there is great need of interventions to promote adolescents self esteem in order to maintain healthy mental health of adolescents.