The Hale Academy: A Realm Unknown

Fourteen-year-old Gabrielle Jones has always lived in the shadow of her older sister, Aliya. Now that Gabrielle's starting high school, and is away from her sister, she's determined to start anew. When she unexpectedly passes several magical trials, and is accepted into the Hale Academy, a magical historically Black boarding school, she thinks it's the perfect opportunity to prove herself. But there's a horrific magical war taking place and her sister attends the academy too.