Don't Go Home With John — Francine Pascal

To tell the truth. . .
John Pfeifer, handsome sports editor for The Oracle, is suddenly showing a lot of interest in popular Sweet Valley High junior Lila Fowler. Lila's never dated a guy like John before -- serious, intense, and super smart -- and she's definitely interested. When John finally asks her out, Lila can hardly wait for their first date. But the evening turns sour when John tries to take things too far.
Though Lila manages to get away without getting hurt, she's too embarrassed to tell anyone what happened. When John crashes Lila's long-planned costume party, Lila blurts out the whole story to her guests. Now all of Sweet Valley High knows about Lila's dangerous date, and everyone has an opinion about who's responsible. The school has become a jury. Will they find John guilty? Or Lila?