Edally Academy: The Angry Aetherist by Lyn Thorne-Alder

Getting into the legendary Empress Edaledalende Academy of Higher Learning at Ileltedez took Tairiekie years of study and hard work. Now that she's here - with dozens of other kids who've also worked hard and studied harder - it's going to take more than that to stay in school.

Now, if only people would stop distracting her with interesting challenges like the missing Instructor Talmizhaab or their device...