A Safe Routes to School Mapping Toolkit is a specialized GIS-based framework designed to identify, evaluate, and optimize pedestrian and bicycle corridors connecting residential areas to educational facilities. Leveraging geospatial data integration and spatial analysis techniques, this toolkit aggregates multiple data layers — including road networks, traffic volume, intersection geometry, sidewalk infrastructure, crime statistics, and land use classifications — to produce comprehensive walkability and bikeability assessments. GIS professionals utilize network analysis algorithms, proximity modeling, and weighted overlay methodologies to determine the safest and most accessible routes for student populations. The toolkit supports data-driven decision-making by generating visualizations such as heat maps, route suitability maps, and hazard identification layers that communicate complex spatial relationships to planners, transportation engineers, and municipal stakeholders. Advanced implementations incorporate demographic data and equity analysis to address disparities in route quality across different communities. Practical benefits include reduced pedestrian-vehicle conflict incidents, improved active transportation infrastructure planning, streamlined grant reporting, and enhanced community engagement through interactive web mapping applications built on platforms such as ArcGIS or QGIS.