Physical activity in childhood is crucial for healthy development and various long-term health outcomes. However, most Canadian children (aged 6-12 years) do not meet the recommended 60 minutes of moderate to vigorous physical activity per day, posing a significant public health concern. The ACT-i-Pass Program, facilitated by Western University’s Human Environments Analysis Laboratory, provides free and low-cost access to local physical activity programs for Grade 5 students (ages 9-11 years) of Southwestern Ontario. The program aims to reduce direct financial barriers and promote local recreation opportunities to encourage physical activity. Parent-reported surveys (n = 614) were used to assess baseline physical activity levels from participating Grade 5 students during the 2023-2024 school year. Preliminary results suggest that children from rural areas are significantly less active than those in urban areas, highlighting a potential area for intervention. Further analysis, utilizing GIS and statistical methods, will investigate the relationships between accessibility in urban and rural areas and children's physical activity levels. Assessing the effects of sociodemographic factors, such as gender and home location, as well as components of the built environment, will help understand how to enhance program accessibility and tailor engagement strategies in rural areas. By understanding the primary determinants of physical activity engagement, the study aims to inform strategies that improve program outreach, promote long-term physical activity habits, and address spatial health disparities. Funding was provided by The Lawson Foundation, the Canadian Institute of Health Research, the Children’s Health Foundation, and the Children’s Health Research Institute.