Two cliques/stereotyped groups in the novel are the cheerleaders and the Martha's. The cheerleaders are like the popular girls in schools today. When Melinda says “they are gorgeous, straight-teethed, long-legged, wrapped in designer fashions, and given sports cars on their sixteenth birthdays. Teachers smile at them and grade them on the curve. They know the first names of the staff.” This is clear evidence that the cheerleaders are popular. The Martha's are like the goody-goodies and it is clear that they are when melinda says, “The Marthas tackle projects and perform good deeds. “They run the canned-food drive, tutor kids in the city, host a walkathon, a danceathon, and a rockingchairathon to raise money. They also do nice things for teachers.”