The Gauntlet (The Gauntlet #1)

Codi James is a chronic underachiever. A straight C student, her life is going nowhere. Causing havoc at yet another school it looks like she's heading for another expulsion, until one teacher decides to call in a favour from an old friend. Codi is sent to the one place where her aggression might do her some good. Joi...

Paladin

Sam is the most promising swordsman among this year’s crop of Paladin trainees...and knows it. Brash, cocky, and unbeatable with a sword (well, almost), Sam is the kingdom of Thule’s best hope against the violence wrought by demons. The only problem is that Sam is really Lady Samantha, daughter of the seventeenth Duke...