At first the students at Arizona's Mica High School are captivated by Stargirl Caraway's unusual, carefree behavior; however, she is soon shunned for everything that makes her unique in this story that pits individuality against conformity.
Mourning the loss of his mother, nine-year-old David forms an unlikely friendship with independent, quirky thirteen-year-old Primrose, as the two help each other deal with what is missing in their lives.
The sibling rivalry between twelve-year-old Megin and he older brother Greg intensifies after she ruins his science project and he retaliates by throwing her favorite hockey stick into the pond.
Will Tuppence's life has always been ruled by science and common sense but in ninth grade, shaken up by the discovery that protons decay, he begins to see the entire world differently and gains new perspective on his relationships with his little sister and two closest friends.
A street child, known to himself only as Stopthief, finds community when he is taken in by a band of orphans in Warsaw ghetto which helps him weather the horrors of the Nazi regime.