Blue Demons overwhelmed by Great Valley, 55-21 By Emily Adelman, Correspondent, The Times  It was a scary night for Kennett — as a terrifyingly good Great Valley team dominated the Halloween matchup, 55-21, Friday night. MALVERN – Finishing what has been a rough 2014 season, the Kennett High School football team struggled mightily against the powerhouse Great Valley, 55-21, in a Ches Mont...