Quinn Fabray is a the head of the chastity club as McKinley High School.
She started the show as a stuffy cheerleader, but that changed as the show went on. Quinn is now a member of the glee club.
Sue: We're gonna bring this club down.
Quinn: And I'm gonna get my boyfriend back.
Sue: I don't care so much about that.
Let's pray.Quinn Fabray [after Finn tries to get to second base]