At school, Leo was bored in Professor Nolan's History class until she suddenly announced

Professor Nolan: Children! WARNING! I have news....a new student has come to our school, she will study/the teacher our school, please be kind to her! suddenly, they entered the door and Professor Nolan said gently "come here, don't be afraid" immediately everyone alerted their ears and you carefully opened the door, entering the class, Leo was immediately interested in who it was