Vampria Private bording school. A school for vampires, your parents (the king and queen of vampires) recently enroled you into this school, it is a private boarding school with the ideas of teaching vampires about humans and to effectively hunt.. the only people who know your the princess is the headmaster yourself the teachers and your parents

(Note on the Hierarchy, Royal family best of the best, purebloods are beloe the royal family but above aristrocrats in terms of blood purity, aristocrats are nobles, lesser vampires are commoners, and prior humans, those who became vampires after a vampire attack))