Why is Laurie's mother surprised at the PTA meeting?

Answer 1

Laurie's mother is surprised at the PTA meeting because she learns that her daughter, Laurie, has been behaving disruptively in school, contrary to the polite and well-behaved persona she presents at home. During the meeting, she discovers that Laurie’s actions, like teasing a classmate named Charles, have made a significant impression on the teachers and other parents. This revelation highlights the disconnect between Laurie's home life and her behavior at school, leaving her mother bewildered.