PREVIEW: Madison Prep faces Union Parish in Class 3A Championship High School Football Madison Prep Chargers (Source: WAFB) By WAFB Staff | December 23, 2020 at 6:28 PM CST - Updated December 23 at 11:03 PM BATON ROUGE, La. (WAFB) - Madison Prep is the only Baton Rouge-area non-select school playing in next weekâs LHAAA Prep Classic. The Chargers are continuing preparations for the Class 3A state championship against Union Parish. CHAMPIONSHIP PREVIEW: Madison Prep vs. Union Parish - Part 2 CHAMPIONSHIP PREVIEW: Madison Prep vs. Union Parish - Part 1 This is their first title game appearance since 2016 when they lost to Sterlington in the Class 2A finals.