View fusion-point-polygon-legend code on GitHub, with polygon layer dynamic legend. Based on Searchable Map Template v1.3 by Derek Eder with Google Fusion Tables
Sources: View CT Public Schools 2014-15 from CT Open Data; view Median Household Income and view Unemployment data from US Census, American Community Survey 5-year estimates, 2008-12; Map boundaries from MAGIC at UConn Libraries Visualization by DataViz at Trinity College, based on Searchable Map Template by Derek Eder