The main settings of the story are Mica High School in Arizona and the surrounding desert area. The story takes place in the past tense and follows Leo Borlock's perspective. The central character is Stargirl Caraway, who is unique, friendly, and unconcerned with what others think of her eccentric style and behavior. The main conflict arises from Hillari Kimble's jealousy of Stargirl's popularity and individuality, leading Hillari to turn the school against Stargirl through manipulation. This causes Stargirl great distress until she leaves Mica High for good.