When a kindergarten class arrives for the first day at school, they are greeted only by the words "Mr. S" on the chalkboard and a delicious-looking sandwich, resulting in merry mayhem as the kids wonder if the sandwich is their teacher.

Sarah is afraid to start at a new school, but both she and the reader are in for a surprise when she gets to her class.

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.

"It's very important for kids to learn about fire safety, and Mrs. Meyer of the local fire department has been brought in to teach the students at Ella Mentry School. But she is the weirdest safety expert in the world. She likes fire just a little too much. Will Mrs. Meyer catch on fire? Will she retire? What will transpire?"--Jacket.

When the students of Ella Mentry School receive a million-dollar donation and vote to create an in-school, state-of-the-art TV station so the morning announcements can be broadcast to all the classes, A.J. and the gang wonder about the agenda of their new teacher, Ms. Cuddy, who decides the announcement ratings are too low and has some quirky ideas about how to increase the station's popularity.

"When Miss Daisy returns to Ella Mentry School as a substitute teacher, the kids are in for a weird and wacky day of not learning about math, writing, the weather, and more"--

Fifth period is hands down the best time of day in Connor U. Eubanks Middle School, because that's when Mr. Lewis teaches Jazz Lab. So his students are devastated when their beloved teacher quits abruptly. Once they make a connection between budget cuts and Mr. Lewis's disappearance, they hatch a plan: stop the cuts, save their class. Soon, they become an unlikely band of crusaders, and their quest quickly snowballs into something much bigger--a movement...

The new music teacher must try to teach A.J. and the rest of his class to play well enough during their recital to impress crabby Dr. Carbles.

Loving their gifted teacher, three boys are dismayed when the teacher falls ill and leaves for the rest of the school year, a situation that compels them to share their stories while cutting class and journeying across town together on a fateful day.

Thirteen-year-old Maleeka, uncomfortable because her skin is extremely dark, meets a new teacher with a birthmark on her face and discovers how to love who she is and what she looks like.