Grafton, IL Local Information, Schools & Real Estate Listings

{"Low":[15.8, 19.8, 31.5, 42.4, 51.7, 60.7, 64.7, 61.9, 54.4, 43.1, 33, 21.8],"Medium":[25.7, 30, 41.9, 53.7, 63.1, 71.9, 76.2, 73.7, 66.6, 55.4, 43.2, 30.9],"High":[35.5, 40.1, 52.3, 64.9, 74.4, 83.1, 87.7, 85.5, 78.8, 67.7, 53.3, 39.9]}