The principal of St. Nicholas School, a woman in her fifties or sixties, who is strict and holds herself and others to high moral standards. She is suspicious of events at the school and takes action to uphold her beliefs.

A young, idealistic nun in her twenties who teaches eighth grade. She is caught between differing viewpoints and struggles with her own feelings and observations.

An eighth-grade student and the only African-American student at St. Nicholas. His experiences and interactions are central to the concerns and actions of the other characters.

Donald’s mother, a woman in her late thirties, who is pragmatic and concerned for her son’s well-being. She engages with the school staff regarding her son's situation.

The leader of St. Nicholas Church and School, described as somewhat detached from day-to-day concerns. He is involved in crucial decisions affecting the characters.