This visualization maps school district boundaries across Massachusetts using a topojson-derived GeoJSON dataset. Built with React, the app loads geographic data via d3.json and converts it with topojson.feature, then renders each district path using d3.geoPath. The map uses an inverted y-axis via geoIdentity’s reflectY method, with districts drawn in flat gray and teal strokes against a 960x500 SVG canvas.