GPS students consistently score higher than the national and state average for males and females in every subject offered. In 2006-07, 86% of the sophomores through seniors taking the exams scored three or higher.
Advanced Placement level courses for the 2007-08 year include English Literature, English Language and Composition, Chemistry, Biology, Physics B, Physics C, US History, US Government, European History, French Language, French Literature, Spanish, Spanish Literature, Latin Vergil, Latin Horace, Calculus AB, Calculus BC, Art, Art History, Computer Science A, and Comparative Government and Politics.