Objective: This study was conducted to examine the prevalence of overweight & obesity in children & adolescents of age group 5 to 10 & 10 to 15 years. Methodology: A simple random sample of 100 school students of Pravara public school Loni, including 83 boys and 17 girls. The participants included were between age group of 5 to 10 & 10 to 15 years. Outcome Measures: Body Mass Index, (BMI) Results: According to the study in adolescents (10 to 15 years) underweight were 1%,healthy were 20%,16%,overweight were 2%,1% & obese were 4%, 8%. In children (5 to 10 years) underweight were 2%, healthy were 19%, overweight were 2%, 4% & obese were 3%. Conclusion: the study concluded that as there were more students who were overweight & obese so, it is necessary to follow up at health centers & train them about healthy lifestyle.