When their teacher has to go away for a week, the kids in room 207 plan to "really act up."

A student wonders why her teacher has chosen to teach in her school for so long, and highlights all the special things her teacher does for her class.

It's almost summer vacation and the students in room 2B are having trouble concentrating on their butterfly project, until a frightening-looking new teacher comes to supervise the Suspension Room and Harry is sent there as punishment for unruly behavior.

When strict Mrs. Derkman moves next door to third-grader Katie Carew, scares her friends away, and insists she keep her dog, Pepper, on a leash, Katie finds a non-magical solution to the problem. Includes steps for teaching a dog to sit and stay.

When a British student-teacher arrives, A.J. and his friends wonder if her all-black clothing and love of blood sausage mark her as a vampire, while Mr. Granite simply hopes her musician-boyfriend will stay away long enough for a math lesson.

The students of Diffendoofer School celebrate their unusual teachers and curriculum, including Miss Fribble who teaches laughing, Miss Bonkers who teaches frogs to dance, and Mr. Katz who builds robotic rats.

First-grader Posey and her friends are excited about Halloween, but also a little nervous about trick-or-treating and eating Miss Lee's monster stew.

Although excited at the prospect of a fancy class trip to the art museum, the bumpy bus ride to get there leaves Nancy feeling anything but fancy.

"When Harry and his pals in Room 3B aren't invited to their teacher's wedding, they invite themselves, and wind up saving the day"--

A.J. and his friends get a Personal Digital Assistant named Miss Porter as a substitute teacher, who can order pizza and tell endless jokes, but grows power-hungry when her system is changed and tries to take over Ella Mentary School.