The study examines the relationship between the Adjustment and Personality of higher secondary students in Cuddalore district. Normative survey method was employed. A random sample of 1000 higher secondary students was selected. The Adjustment and the Personality test were used to collect the required information. The results of the study reveal that, both the level of Adjustment and Personality of the students are high. Further there is a statically significant relationship between the Adjustment and Personality of the higher secondary students. The researcher also feels that the guiding of their study helps the educationalists and executives to plan their future activities.