The answer is the first one
Answer:
She explains to him that he has an upper hand in the situation (knowing that Jack was saying bad things about him). She then tells him that if he refuses to go back to school on his own, she'll tell their parents who will tell the school principle and that everyone will start treating him like a freak that needs to go to a special needs school. That is ultimately what makes up his mind to go back.
One opinion that supports the theme is that when they faced extreme brutality they still didn't care what they said they still remain people.