You shouldn't say racist things to kids in school.
Sally is at school one day with her friends and sees a new Muslim boy arriving for his first day.
Sally wants to impress her friends.
Sally sees the new boy while eating with her friends at lunch and asks if he wants to join them.
Sally sees the new boy and decides to show off for her friends and tells him to go back to his country where he belongs.
Sally learns new things about his culture, and they become great friends.
Sally's friends are disgusted by her behavior and refuse to be friends with her anymore.