(DURHAM, May 18, 2007) — Hanover High School defeated Londonderry High School in the semi-final round of New Hampshire Public Television's Granite State Challenge by a score of 300 to 185. To cap off the season, Hanover will advance to the hour-long SuperChallenge finale to compete against The Derryfield School of Manchester for the 2007 championship title. NHPTV's Granite State Challenge airs Thursdays @ 7:30 p.m., and again on Saturdays @ 8:30 a.m. The Granite State SuperChallenge will air on Thursday, May 31 @ 8 p.m.