The present study aims to know the working stress among the undergraduate school teachers. Stress has become an inherent feature of all activities in all aspects of an individual's life. The impact of stress is demonstrated in the various stress related physiological and psychological problems experienced by man. This study has certain objectives. To understand the working stress of teachers working in schools. To understand the influence of demographic variables on teachers working stress. About 100 teachers where contacted and every respondent was explained the purpose, the nature of the investigation and wanted information for the item in two questionnaires. In order to study the functional dependencies to indicate the likelihood of causal relationships between the variables, inferential statistical techniques of product moment correlation, ANOVA were computed. Working stress of the high undergraduate school teachers is not influenced by their age, religion, community, place of working, grade, experience, and type of family.