The story "Annie the Mean Girl" is about a second-grader named Annie who moves to a new town with her family due to her father's job loss. She is used to having more than others and has trouble adjusting to their new, less-fancy lifestyle. Annie refuses to make friends at school, becomes aggressive towards her classmates, and is known as the mean little girl. The teacher, Miss Riley, tries to help Annie but eventually lets her be. One day, a new girl, Adriana, arrives in class and befriends Annie. Adriana's sunny and friendly demeanor helps Annie come out of her shell, and she starts to play and laugh with her classmates. Eventually, Annie becomes a happy and well-adjusted member of the class, and Miss Riley is relieved to have a peaceful and positive classroom.