Pepper is surely one of the main characters as the story is about Pepper going to school.
Probably Pepper is the main character. And there may be some classmates and teachers in the story. Since it's about going to school, classmates play an important role in Pepper's school life. And teachers are there to guide and teach Pepper.
In the 'bono goes to school story', Bono is the central character. However, his parents could also be considered main characters in a sense. They are the ones who send him to school, and their influence on his school - going attitude and behavior might be part of the story. Also, any special friends he makes at school, like a best friend who he shares all his school secrets with, would be among the main characters as they contribute to the plot and Bono's experiences at school.
Probably Franklin is the main character. And there might be his teachers and classmates as important characters too. His teachers would be involved in his learning process, and his classmates would be part of his social experience at school.
Froggy's classmates could also be main characters. In a school story, the interactions between Froggy and his classmates are usually important parts of the plot. They might study together, play together, and experience different things together, which makes them important characters in the Froggy Goes to School story.
Well, Pippi is the central figure in the 'Pippi Goes to School Story'. Alongside her, there could be a friendly classmate who becomes Pippi's first friend in school. And there may be a headmaster or principal who has to deal with Pippi's unique personality and the situations she creates in the school, like when she does something unexpected during an assembly or in the classroom.
Well, Ottoline is surely one of the main characters as the story is about her going to school.
Perhaps some of Noddy's classmates could also be main characters. They would play a role in Noddy's school experiences, like sharing toys or helping each other with schoolwork.
Well, Timothy must be one of the main characters since the story is named 'timothy goes to school story'.
The main character is surely the gingerbread kid. But there might also be teachers, classmates, or other school staff in the story.
Obviously, Dora is a main character. There might be her parents who help her get ready for school.
Most likely Barney is the main character. There may also be teachers, classmates, and perhaps a school principal.