Spurred by a special project from her social studies teacher, seventh-grader Bethesda Fielding uncovers the secret identity of her music teacher, which leads to a most unusual concert performance and a tutoring assignment.
A fifth-grader starts a newspaper with an editorial that prompts her burnt-out classroom teacher to really begin teaching again, but he is later threatened with disciplinary action as a result.
When their regular teacher is sick, Andy's fourth-grade class gets a substitute teacher, providing lots of opportunities for Andy and his friends to get in trouble.
Nick and Marta are both suspicious when their biology teacher, the feared Mrs. Bunny Starch, disappears, and try to uncover the truth despite the police and headmaster's insistence that nothing is wrong.
Attending a controversial literary mystery night class taught by a professor who has been convicted of murder, Alex Shipley unravels an elaborate literary hoax that acquits the teacher, only for her to be targeted years later by a determined killer.