Background: One of the two major goals of Healthy People is to help individuals of all ages increase life expectancy and improve their quality of life. The concepts of health promotion and health maintenance provide interventions that contribute to meeting this goal. Health promotion and health maintenance activities are closely linked and often overlap, but there are some differences. Health maintenance focuses on known potential health risks and seeks to prevent them, or identify them early so that intervention can occur. Health promotion looks at the strengths and goals of individuals, families, and populations, and seeks to use them to assist in reaching higher levels of wellness. Methodology: A pre-experimental study was conducted in September 1, 2021 at selected schools of District Shimla (H.P). The study comprised of 40 Primary School Teachers. Non-Probability Convenience sampling technique was used for data collection. The gathered data was analyzed by calculating mean, median, mean percentage, mean difference, standard deviation, and paired t-test to find association of knowledge with selected socio-demographic variables. Result: The study finding showed that in the pre-test 17.5% primary school teachers had average knowledge, 77.5% had moderately adequate knowledge, and only 5% primary school teachers had adequate knowledge regarding Health Promotive Services. The mean post-test knowledge score 22.18 of the present study was higher than mean pre-test knowledge score 14.83 with the mean difference of 7.35. The difference between pre-test and post-test knowledge was statistically tested and it was found significant. Conclusion: From the study findings, it is revealed that there was significant increase in the knowledge scores of the school teachers after structured teaching programme. Therefore, it was concluded that Structured Teaching Program was highly effective in improving the knowledge of school teachers regarding Health Promotive Services.