Abstract: The present study assumes greater significance in case of private schools or Govt. schools how far their role help for better development of adolescents. The study focus on:(1)To explore and determine the relationship between the self-concept, personality-trait (aggression) and level of aspiration of adolescents studying in different types of high schools. The hypotheses of the study are (1)The adolescents of different types of high schools are equal in their self-concept, personality -trait(aggression) & level of aspiration. (2) There is positive relationship among self-concept, personality trait( aggression) and level of aspiration of adolescents studying in different types of high schools. (3) The adolescents studying in different high schools do not differ in self- concept, personality -trait(aggression) and level of aspiration. survey method has been adopted to collect data in different government and private high schools of Odisha. The findings of the study are(1)The adolescents studying in secondary Schools do have higher level of self-concept and aggression.(2)The adolescents studying in Govt. Schools & Pvt. Schools have equal level of aspiration.(3)There is a positive relationship between se lf-concept and aggression of adolescents studying in Govt. high school.(4)There is a negative relationship between self-concept, aggression and aspiration , and aspiration.(5)There is a positive relationship between self-concept & aspiration and aggression of adolescents studying in Pvt. School.(6)There is a significant difference among Govt. & Pvt. School adolescents in their level of self-concept and aggression level.

Keywords: Self-Concept, Personality-traits, Level of Aspiration, Government and Private secondary schools,

| DOI: 10.17148/IARJSET.2021.8944