Social Maturity is the ability to function in an appropriate responsible manner. As adolescence is the age for an individual to express mature behavior. Social Maturity is an essential aspect for the individual as well as society. The present study was designed to investigate the social maturity of higher secondary students. For this purpose a total sample of 300 higher secondary students studying in 12th standard was taken on purposive basis from the schools of vellore district in Tamilnadu. Out of which 162 were male and 138 were female. In order to collect the data Social Maturity scale by Nalini Rao’s were administered on the participants. Thus obtained data was analyzed using means, S.D’s, ‘t’-test and F test. The results of analysis showed no significant contribution of social maturity towards gender, locality of institution, type of institution, medium of instruction, parental qualification, residence of students, mode of school and type of family.