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Thirty-three percent of children, 6-11years, in the US are overweight or obese.1 Walking to school is an affordable mode of transportation that may help reduce this high prevalence of childhood obesity.2 The Walking School Bus (WSB) is an innovative program designed to cut down on traffic congestion while providing a safe way to walk children to school.3 We are aware of no published studies examining the impact of this specific program on obesity prevention. In addition, low-income and minority neighborhoods have been underrepresented in the walkability literature.4 Therefore, we tested the feasibility of a modified WSB program in a low-income minority neighborhood as a strategy to prevent childhood obesity.