Royal Trouble (Royal Series #5)
Princess Isabella-Grace has been going to a normal school all her life under a different identity, her identity is revealed and she must return to her life as a princess but it's not easy going back to school where everyone believes you are a liar. Isabella-Grace believed the world could change, unlike some, she has the power to help the world change. As Crown Princess of Ellaria Isabella-Grace has many challenges and the hits just keep on coming in all directions.
(Spinoff to Royal Mayhem, Royal Danger, and Royal Escape. This story starts from when Royal Escape finishes, although you don't need to read any of the others to read this story!)