Six top boarding-school thrillers

At the BN Teen blog, Nita Tyndall tagged six favorite thrillers set at boarding school, including:
S.T.A.G.S., by M.A. Bennett

Greer MacDonald struggles to fit in at her elite boarding school, St. Aidan the Great, known to students simply as S.T.A.G.S. So when she receives an invitation from none other than Henry de Warlencourt, the most popular (and richest) boy at school, for a weekend of “