Human body is same like a machine and alteration in this body may lead to malfunction. Health is a resource for life. Some people may face the problems and very easily they overcome from it and some cannot  overcome  that and they will show some signs like poor judgement general negative outlook, excessive worrying, moodiness, inability to relax, isolated or depressed state which affect mental health of a person, which causes “stress”. Stress is a feeling when an individual react to particular event. A comparative study was conducted to know mental health of residential and non-residential school students. The design selected for this study is comparative research design which is descriptive in nature. To carry out the present study the population comprises of students of VIII Class belonging to Jawahar Navodaya Vidyalaya and Government secondary schools located in Faridabad district of Haryana. The sample size of the study consists of 60 residential school students and 60 non-residential school students from selected secondary schools. Researcher employed random sampling technique to select sample units of the study. The findings of the study show that there exists a significant difference between residential school students and non-residential school students with respect to the mean scores of their mental health.  The mental health of the non-residential school students was found to be better than the mental health of the residential school students.

KEY WORDS: Mental health, Stress, Residential and Non –residential School Students