Teachers:
* Mrs. Gorf: The headmistress, known for her strictness and occasional lapses in logic. She believes she is a "tall, slender woman with a voice like melted chocolate," but is actually very short and plump.
* Mr. Rex: The kindly, but often flustered, principal. He tries to keep the school running smoothly, but is often overwhelmed by the chaotic nature of Wayside.
* Ms. Jewels: The eccentric, and often misunderstood, music teacher. She has a strange sense of humor and loves to play the recorder.
* Mr. Kite: The arts and crafts teacher, who is perpetually covered in glitter and glue. He is prone to making odd, and sometimes dangerous, crafts.
* Ms. Morello: The gym teacher, who is obsessed with the idea of "physical perfection." She is often seen making the students do ridiculous exercises.
Students:
* Todd: The protagonist and narrator of the series, who is known for his good nature and his ability to get into trouble.
* Maurecia: Todd's best friend, who is intelligent, resourceful, and often helps him out of sticky situations.
* D.J.: A mischievous and imaginative student who is always coming up with new schemes.
* Jason: A very tall and shy student who is often overlooked.
* Jenny: A sweet and gentle student who is often bullied by other students.
* The three kids named "Eric": Three students who are identical in appearance but have different personalities.
* Leslie: A student who is obsessed with cleanliness and order.
* Sammy: A student who is always hungry and eats anything he can get his hands on.
Other Characters:
* The janitor: A grumpy and mysterious man who lives in the school basement.
* The lunch lady: A woman who serves strange and unappetizing lunches to the students.
* The school bus driver: A man who is always in a rush and often drives dangerously.
These are just a few of the many characters that make Wayside School such a unique and entertaining place. Each character has their own unique personality and quirks that contribute to the overall chaos and humor of the series.