Healthy Weight Week, January 19th-25th, 2014, celebrates healthy non-dietlifestyles that can prevent eating and weight problems. The prevalence of child obesity is increasing rapidly worldwide. The behavioral factors such as television watching, exercise, internet browsing, videogames and fast foodconsumption along with academic stress greatly contributes to obesity. Aim of our study was to impart knowledge, to create awareness on obesity and to correlate the BMI with their behavioral factors among 65 schoolchildren. After creating awareness and informing about their BMI they were asked to answer a questionnaire about their behavior pattern. The Karl Pearson correlation co-efficient was used for analysis of data, p<0.05 was considered statistically significant. The obese children correlated with more hours of television watching and less exercise. The number of hours of video games played and fast foodconsumption correlated well with the BMI. The academic stress negatively correlated with BMI. An awareness on BMI, obesity, fast food, exercising regularly, sedentary lifestyle created by television watching, playing videogames and internet browsing was done among the schoolchildren of Mangalore. The students gave feedback of usefulness of the program conducted on healthy weight week.