Students in higher secondary education settings face a wide range of ongoing stressors related to academic demands. Previous research indicates that academic-related stress can reduce academic achievement, decrease motivation and increase the risk of school dropout. This data demonstrates that academic achievement is a significant source of stress to students. The objective of the study was to find out whether there is any significant difference between psychological stress and its dimensions with respect to gender and locality of students. Approximately 188 students as samples were taken for the study. The sample was delimited to higher secondary students Chengalpattu district is taken for the study. The descriptive survey method was used in this study. The investigator used the Psychological Stress Scale which was developed by (Rangasami P, 2018).To find out the academic achievement, the researcher prepared a self-made standardized tool. This study used percentage analysis, ‘t-test, and correlation using the SPSS package for analyzing the data. The findings of the study are that (i) majority of the higher secondary students have a moderate level of academic performance with reference to background variables (ii) therebetween boys and girls in their psychological stress and its dimensions such as depression, perceived stress, self-esteem, and academic achievement. (iii) there is a significant difference between students' locality is rural and urban with respect to academic achievement. (iv) there is a significant positive correlation exist between psychological stress and its dimensions such as depression, perceived stress, self-esteem, and academic achievement of higher secondary students with respect to gender.