The aim of the study is to assess the level of knowledge regarding heat stroke and its management among school teachers. OBJECTIVES OF THE STUDY: • To assess the knowledge regarding heatstroke and its management among school teachers • To find the association between knowledge regarding heat stroke and its management among school teachers with their selected socio-demographic variables • To distribute information booklet regarding heatstroke and its management Methodology: By using Non probability-Convenient Sampling Technique,Non experimental-Descriptive Research Design was adopted, 100 school teachers were taken for the study and data was collected by using a self structured questionnaire and analysed by using descriptive and inferential statistics. Results: The results revealed that out of 100 school teachers majority 67(67%) had inadequate knowledge, 33(33%) had moderate knowledge and none of them has adequate knowledge regarding heat stroke and its management, significant association was found between level of knowledge and socio economic status. Conclusion: Every year we can find many changes in the environment, due this even the health is being affected very much one among the health affects is considered to be heat stroke, where even the children are being affected, the researcher found that educating school teachers can minimise this and so, education was given to the school teachers.