When the boys transitioned from third to fourth grade in Season 4, the creators shook up the status quo by hiring Miss Diane Choksondik. Her name was an unmistakable phonetic gag, and her physical design was deliberately grotesque, complete with severe strabismus and uncontained, sagging breasts. Unlike Garrison, Choksondik actually attempted to enforce traditional educational discipline.
Her tenure highlights the institutional apathy of the South Park school district. Her authority unraveled instantly against Cartman's defiance. Her desperate attempts to teach sex education in Season 5's "Proper Condom Use" sparked mass town hysteria. Choksondik's tragic arc concluded in Season 6's "Simpsons Already Did It," when she died unexpectedly after ingesting the children's Sea People experiment, setting off an accidental murder investigation.
Four seasons later, Parker and Stone delivered a much darker portrait of the faculty in Season 10's "Miss Teacher Bangs a Boy." Ms. Stephenson, an attractive kindergarten teacher, begins a sexual relationship with Kyle's three-year-old brother, Ike Broflovski. The episode shredded contemporary tabloid culture and public double standards surrounding female sexual predators. While local police celebrated Ike's exploits with high-fives and exclamations of "Nice," Kyle stood alone as the voice of horror. Ms. Stephenson's story ended in murder-suicide, presenting one of the bleakest critiques of public school accountability ever broadcast on animated television.