When the school year begins on September 9th, Sunset Parkers will be cheering. Why? Because after more than three decades, they’ll finally have a high school to call their own. As the Daily News pointed out in an article last February, discussions about the school began four decades ago but were derailed by fiscal problems of the 1970s. Construction on the 1,500-seat school, which will be focused on three tracks–performing and visual arts; health and human services, and business and entrepreneurship–finally began in 2006. GMAP