* Wanda Petronski: A Polish girl who is new to the town and is often ridiculed for her plain clothes. She claims to have a hundred dresses at home, a claim that many believe is a lie.
* Peggy and Maddie: Two friends who initially participate in teasing Wanda, but later feel guilt and remorse for their actions. They become friends with Wanda and try to make amends for their behavior.
Other important characters:
* Miss Mason: The teacher who tries to protect Wanda and teach the other children about kindness and respect.
* Ruth: A classmate who initially defends Wanda from the other children.
* The other students in Wanda's class: They represent the various levels of unkindness and prejudice that Wanda faces.
The story explores themes of friendship, acceptance, and the consequences of bullying. It is a powerful and poignant tale about the importance of kindness and understanding.