Bloodrage by Helen Harper
Mack begins her training at the mages' academy in the hope that, by complying, the stasis spell will be lifted from her old friend, Mrs. Alcoon. However, once there, she finds herself surrounded by unfriendly adults and petulant teenagers, the majority of whom seem determined to see her fail.
Feeling attacked on all fronts, Mack finds it harder and harder to keep a rein on her temper. Forced to attend anger management classes and deal with the predatory attentions of Corrigan, the Lord Alpha of the shapeshifter world, her emotions start to unravel. But when she comes across a familiar text within the walls of the mages' library, which might just provide the clues she needs to unlock the secrets of her background and her dragon blood, she realises that her problems are only just beginning...