BELLEVILLE - Dr. Amanda “Mandy” Bagley, the principal of Belle Valley School in Belleville, Illinois, died after a two-vehicle crash on April 21, 2026, in Madison County, according to an Illinois State Police preliminary report.Bagley, described as a beloved educator and principal, was involved in a collision at about 6:14 p.m. April 21, 2026, at Horseshoe Lake Road and the Interstate 255 southbound on-ramp in Collinsville. The community is mourning her sudden loss.This information w...