The aim of the study is find out the impact of Interpersonal Intelligence of the high school students in Vellore district. For which the normative survey method has been adapted. Random sampling technique has been used for the present study for the selection of sample. The sample of the study includes 300 students studying in High Schools in Vellore District. The Interpersonal Intelligence Scale (IIS) constructed and validated by Ceema Nair, J., and Jesudoss, S.J., (2017), has been used in the present investigation. The present investigation revealed that majority of the high school students studying in the schools situated in Vellore district of Tamilnadu, India, were found to have an average level of interpersonal intelligence which in turn gives an average level of achievement for students. Moreover, the present study brings out the influence of interpersonal intelligence on the academic achievement of high school students. Based on the findings, it is surmised that student’s residence and school management have significant influence on student’s interpersonal intelligence and their academic performance. If congenial atmosphere prevails at home, the student’s academic performance can be improved. This study can help parents to become aware of the factors that are likely to lead to their children’s academic performance.