The 4th Grade


 * For the episode, see Fourth Grade.

Mr. Garrison's Fourth Grade Class is the main classroom the children of South Park attend after Fourth Grade. It encompasses most child characters, although there is likely another classroom as many characters do not appear in it.

Teachers

 * Diane Choksondik - The main Fourth Grade Teacher from "Fourth Grade" to "Professor Chaos."
 * Mr. Mackey - Covered after Ms. Chokesondik's death, also teaching computer class and drug lessons.
 * Herbert Garrison - 3rd grade teacher from "Cartman Gets an Anal Probe" to "Cartman Joins NAMBLA". Returned to the school as a kindergarten teacher in "Trapper Keeper". Rehired as a 4th grade teacher in "The Death Camp of Tolerance" and has remained teacher since.
 * Mr. Slave - Mr. Garrison's teaching assistant From "The Death Camp of Tolerance" to sometime between "Fat Butt and Pancake Head "and "South Park is Gay!"
 * Mrs. Dreibel - Teaches art in her own classroom during "Toilet Paper"
 * Richard Dawkins - Teaches evolutionary studies.
 * Mr. Adler - Teaches shop class.
 * Pearl - Teaches Home Ec.

Regulars
Students in this section are seen in Mr. Garrison's fourth grade classroom in almost all episodes.
 * Annie Faulk
 * Bebe Stevens
 * Butters Stotch
 * Clyde Donovan
 * Craig Tucker
 * Eric Cartman
 * Kenny McCormick
 * Kyle Broflovski
 * Rebecca
 * Stan Marsh
 * Timmy
 * Token Black
 * Wendy Testaburger

Recurring
Students in this section are seen in Mr. Garrison's fourth grade classroom but only in some episodes.
 * Esther
 * Francis
 * Heidi Turner
 * Jason
 * Jimmy Valmer
 * Kevin Stoley
 * Lola
 * Millie
 * Sally Turner
 * Tweek Tweak

Other 4th Graders

 * See also: The Other 4th Grade

Students who have not been seen in Mr. Garrison's fourth grade class but are fourth graders.
 * Blue Cap (was in Third Grade class)
 * Damien (was in Third Grade class)
 * Dog Poo (was in Third Grade class)
 * Mark and Rebecca Cotswolds (were in Third Grade class)
 * Terrance Mephesto (was in Third Grade class)
 * Bill Allen and Fosse McDonald (were in Third Grade class)
 * Nelly
 * Tommy Turner
 * Lizzy

Former students
Students who used to appear, but have since vanished without explanation, moved away, or died.
 * Pip Pirrup
 * Gary Harrison
 * Leroy
 * Baahir Hassan Abdul Hakeem
 * Bradley Biggle