It’s been quite a while since basketball fans found themselves packed into the bleachers at St. Vincent-St. Mary High School to watch “just a kid from Akron” dazzle on the court.On Tuesday night, students, faculty, alumni and Cavaliers fans filed into the school’s gymnasium for a watch party to cheer 2003 graduate LeBron James and the Cavaliers’ first home game of the NBA Finals at Quicken Loans Arena in Cleveland.“[St.