In the present study an attempt was made to compare teachers’ occupational stress of primary government and private school teachers of Nagapattinam District. The teachers are the assets of any country. They are burdened with the greatest responsibility of ‘Nation Building’. The teaching profession has an esteemed place among all professions. However teaching as a profession at any level becoming more demanding day by day. Teaching has also became more like a managerial job and is having multidimensional job responsibilities. All these situations greatly enhances the stress among teachers. The study was designed to explore the relationship of occupational stress of the fresh set up primary school teachers with demographic variables like gender. Survey method of research has been used in the present study. Occupational Stress Scale was used for collecting the data. For this research study a sample of 100 teachers was selected, 50 each from government and private schools. primary school teachers of government and private schools were randomly selected at Nagapattinam district of Tamil Nadu by the investigator. To analyze the data and interpret the data, the investigator used the statistical techniques for Mean, Standard Deviation, t-test and ANOVA to compare groups.