Backround: Obesity is a prevalent health issue that presents complex challenges, encompassing serious medical, social, and psychological dimensions affecting people of all ages and socioeconomic backgrounds. Aim: The aim of the study to assess the Knowledge and Lifestyle Practices on Prevention and Control of Overweight among school children. Methods: The present study was adopted a cross-sectional design. The required sample size was determined to be 380. All 380 school children were screened for overweight and obesity. 69 school children were confirmed of overweight and obesity. Using a convenient sampling technique was used for the study. Finding: The study result indicated that 7% of the school children is classified as overweight (BMI 23 - 24.9 Kg/m²), and 8.4% are categorized as obese (BMI >25 Kg/m²). The analysis of the population's knowledge scores reveals a notable distribution. 33.3% fell into the 'Good' category (20-29), and 66.7% were classified as 'Average' (10-19). There were no scores in the 'Poor' range (1-9). Conclusion: The study concluded that lifestyle practices highlights moderate dietary habits, low engagement in regular physical activity, and moderate variability in sleep patterns, indicating areas that require attention for overall improvement in health and well- being.