"Monster High: New Ghoul in School" is an animated film that introduces viewers to the world of Monster High, a school for teenage monsters. The story follows a new student, Clawdeen Wolf, who is excited to fit in with her fellow ghouls, including Frankie Stein and Draculaura. As Clawdeen navigates her new environment, she faces challenges related to friendship, acceptance, and embracing her unique identity. The film emphasizes themes of diversity and self-acceptance, showcasing the importance of being true to oneself while celebrating differences among friends.