Second-grader A.J. dislikes school, believing learning is redundant. He's surprised to find Miss Daisy shares his sentiment. A.J. and class struggle with arithmetic with Miss Daisy, even calling her incompetent, in particular over counting candies. They discuss careers, with their teacher unsure of how to spell "read" and A.J. wanting to be a football star. Eventually, A.J. and his friends have the idea to buy the school and turn it into a video game arcade...a plan that is greeted enthusiastically by Miss Daisy. Later, they go to the school nurse's office, where she weighs, measures and takes the students's measurements, including their shoe sizes and leg lengths. At the end of the day, they discuss what they want to be when they grow up…

Mr. Klutz, a quirky principal, skateboards to school and crashes into bushes. A.J., a student, gets sent to the principal's office for a prank gone wrong. Mr. Klutz, surprisingly, isn't angry but offers A.J. a chocolate bar as a compromise. Later, A.J. and others concoct a plan to put a tack on the teacher's chair, but it doesn't work out as expected. The students then brainstorm a school-wide chocolate party as a reward for completing a million math problems, which triggers a chain of events leading to Mr. Klutz's accident in a physics experiment gone haywire. The students become engaged in the ensuing chaos and the idea of a chocolate party takes hold.

A.J., a second-grade student who dislikes schoolwork, recounts a series of encounters with strange figures who appear in his classroom and library, each claiming to be historical figures or nursery rhyme characters. He and his friends question if these individuals are Mrs. Roopy, the new librarian, in disguise. The story begins with an army guy in a wig claiming to be George Washington. He's followed by Johnny Appleseed, then Neil Armstrong. The characters include Little Bo Peep, Jill, and Little Miss Muffet. The story ends with the characters appearing throughout the week of nursery rhyme activities in the school. The class suspects that Mrs. Roopy is the source of the disguises...

A.J., a second-grader, dislikes Andrea Young and finds school, and especially art class, tedious. During art class, he critiques Andrea and other students' behaviors. A.J. feels uncomfortable with finger painting, but later creates an artistic piece, a polar bear with ice cream, to the praise of Ms. Hannah, the art teacher. They then go to a museum where A.J., struggling with the concept of modern art, finds himself in trouble for sitting on art, only to be rescued and continue the visit. The story continues...

A.J., a student who dislikes traditional school subjects, looks forward to Fizz Ed, a unique alternative class. He's excited to ditch reading, writing, and arithmetic for sports and games. However, Fizz Ed's first session involves unexpected activities like balancing feathers and square dancing instead of sports. A.J. is initially frustrated by this, but during the last activity, which involves juggling scarves, Andrea performs exceptionally well, once again causing A.J. to feel inadequate. A.J. is left wondering about the class's true purpose and if Miss Small is truly their Fizz Ed teacher.

A.J., a student who dislikes music class, describes the antics of his music teacher, Mr. Loring, and the subsequent arrival of a new, energetic teacher, Mr. Hynde. Mr. Loring's overly repetitive songs, combined with a school-wide TV turnoff month, drive the students into a frenzy. Mr. Hynde enters the scene with a unique teaching style, which, even though controversial to some, is met with enthusiastic participation from most students. Andrea, a student known for her enthusiasm, opposes Mr. Hynde. The narrative ends with Principal Klutz, joining the fun. ...

A.J., a second-grader, dislikes math and seeks ways to avoid it. He pretends to be sick, prompting a visit to the school nurse, Mrs. Cooney. He finds Mrs. Cooney intriguing and decides he wants to marry her. Later, he learns that she is married, and his friends, Ryan and Michael, decide to visit her pretending to be sick too. They describe unusual experiences with Mrs. Cooney, including balancing things on their noses and singing, leading to the whole school attempting to lick their elbows. The story ends with A.J. still in love with Mrs. Cooney, and the class about to hear from her.

At Ella Mentry School, during a chaotic lunch, Mrs. McGillicuddy quits, leaving the students in a flurry of excitement. The students are anticipating the arrival of Ella Mentry, the school's namesake, who is a celebrity in their community. Then, a new lunch lady, Ms. LaGrange, arrives from France, instituting a new, unusual lunch service at their school. Ms. LaGrange’s peculiar service, her French phrases, and the mysterious messages in her mashed potatoes spark curiosity. The students decide to uncover the hidden meanings and the secrets of YAWYE, while the new lunch lady's unusual approach to food and classroom activities create a whimsical atmosphere. Their investigation leads to an unexpected predicament, leaving them trapped in the school's freezer...

A.J., a student who dislikes school, tells of a funny bathroom emergency. While in the boys' restroom, the toilet's water begins to rise, threatening to flood the room. He alerts others, and the school's custodian, Miss Lazar, arrives, using her plunger to fix the problem, revealed to be caused by crayons. Afterwards, the rumour of a haunted toilet spreads, leading to further excitement and Miss Lazar's intervention to reassure everyone. The story follows A.J., Michael and Ryan's speculation and interaction with Miss Lazar, culminating in their discovery of potential clues of her secret identity and her role at the school...

A.J., a student who dislikes school, especially the subject of science and the classmate Andrea, is surprised when their teacher announces a new science teacher, Mr. Docker, who used to be a scientist. Mr. Docker's arrival sparks curiosity and an initial aversion to science within the class. Mr. Docker brings a potato clock to class, demonstrating a possible alternative to traditional power sources. He then leads an experiment to show a chemical reaction. Mr. Docker's unusual actions confuse and amuse the class; soon after, he has an accident, with his hair catching fire. When he recovers from the accident, the class goes on a field trip to a nearby field where they are introduced to bugs. Mr. Docker eats a bug, which shocks most of the class. The class is then scheduled for a science fair. Andrea's flower experiment and A.J.'s fish experiment are discussed. Ultimately, A.J. receives an A along some other events.

A.J., a student who dislikes Mondays, recounts his school bus ride. He argues with his mother about a kiss in front of other children. The bus driver, Mrs. Kormel, speaks a secret language, and A.J. and his friends discuss their Show and Share items. Andrea, a classmate, teases A.J. about his action figure, Striker Smith, which he pretends to use to attack her. The bus is delayed due to an unspecified issue, and they encounter a non-nudist man. Throughout the delay, Striker Smith gets into an ‘epic battle’ under the bus and is destroyed. After the ordeal, A.J. and his friends hold Striker Smith’s head in a funeral ceremony.

A.J., a student who dislikes school, finds joy in the 'free stuff room.' One morning, he puts on a cool black shirt, only to discover it's Andrea's. Andrea accuses A.J. of stealing the shirt. The principal, Mr. Klutz, intervenes, and A.J. faces the gifted and talented program selection. Subsequently, with substitute teacher Ms. Todd, the class engages in various activities, including a circle of friends game, which ultimately ends with A.J. being sent to Mr. Klutz's office for discussing his reaction to a non-violent game.

A.J., along with friends Ryan and Michael, plan a mischief night prank on Andrea. Their attempt to toilet paper her tree fails when the toilet paper rolls don't unroll, and Andrea discovers them. The next day, Halloween, they dress as zombie-themed characters and go trick-or-treating. During their trick-or-treating adventure, they encounter a school nurse who gives them healthy food instead of candy, and they make a deal about who would get the other two's candy in the event one of them gets harmed by a 'Halloween Monster', which they encounter momentarily near the end of trick-or-treating.

A.J., a student who dislikes school, has a conflict with Andrea over the use of the word "nother." Their language class, led by Miss Holly, begins discussing holidays, including Christmas, Hanukkah, and Kwanzaa, much to A.J.'s annoyance. A holiday pageant is announced, and Secret Santa will be implemented. Later, a heated debate ensues about the existence of Santa Claus. A.J., Michael and Ryan discuss the impossibility of Santa's abilities and A.J. makes a critical observation during lunch.

A.J., a student who dislikes school, fantasizes about having a computer in his head. The principal, Mr. Klutz, announces plans to modernize Ella Mentry School, including a new computer lab and teacher, Mrs. Yonkers, who arrives wearing a large foam cheese head. Mrs. Yonkers introduces the concept of a computer program that generates jokes, then a giant hamster wheel powering the lab's computer breaks due to Emily being too slow, leaving Speedy the turtle mysteriously missing. The story ends with a disastrous remote-controlled pencil sharpener explosion and the removal of candy and soda machines from the school, leaving the narrator and his friends upset about the loss of sugar.

A.J. and his classmates are disrupted by the arrival of two American Indians, Mrs. Roopy (the librarian) dressed as Pocahontas, and Mr. Klutz (the principal) as Squanto. They introduce a turkey dressed as a Pilgrim, Gobbles, which causes chaos. Gobbles escapes, leading to a frenzied school evacuation and Dr. Carbles’s arrival, firing Mr. Klutz. The next day, students discover Mr. Klutz is not upset and is pursuing his dream of becoming a champion skateboarder. His rivalry with Dr. Carbles (Milton) is uncovered as a teenager rivalry, stemming from their respective hair, and is being revived by Dr. Carbles' desire to implement strict rules in the school. Students consider visiting Mr. Klutz while worried about Dr. Carbles’s regime...

A.J., along with friends Ryan and Michael, dislike school but have their first rule of kid-argumentation: saying something before someone else was born. They encounter Mr. Louie, the crossing guard, who advocates love over hate. A.J. reluctantly declares his love for school to avoid Mr. Louie revealing his supposed secret love for Andrea. At school, held an assembly about Valentine's Day with an eccentric principal, Mr. Klutz, introducing Mr. Louie, who leads a 'groovy' celebration with music, the L word and a love machine. The students are assigned to write something nice about each classmate. This leads to conflict and confusion. A.J. initially refuses to participate in Valentine's Day celebrations, but is eventually swayed towards love in a memorable way. The school has a 'Klutzstock' Valentine's celebration. On the very day, Mr. Louie is the heart of the celebration. Mr. Klutz, dressed in mismatched hippy attire, performs on a kazoo while a surprise guest band, comprised of the school's unexpected teachers, performs an impressive show. The story concludes with Mr. Louie revealing that he spiked the water fountains with his secret love potion, leaving A.J. and the others feeling the 'power of love.'...

A.J., a student who dislikes school field trips, and his classmates are on a trip to a natural history museum... The museum is surprisingly exciting, with fascinating giant dinosaur skeletons and Ms. Krup as their engaging tour guide who plans an adventure into the museum's hidden rooms. However, a hissing cockroach, General Muffin, escapes, resulting in chaos and a night-time search for it. The children end up watching a video about reptiles, while a nocturnal creature's noisy presence brings the events to a frightening climax in the night...