Mark becomes intrigued by the interactions he sees between Cartman, Kyle, and Stan, and begs his father to be allowed to attend public school.
At the school, Mark, placed in a largely protective hamster ball by his overprotective and agoraphobic father, is tormented for his haughty attitude and superior knowledge, and ends up duct taped to a bench by the other boys.
This prompts Mark's father to speak with the adults in Skeeter's Bar and Cocktails about the incident and the fact that Kyle has become smitten with Rebecca and should stop pursuing her.
To him, this involves a regimen of sleeping in and sitting in bed while snacking and watching television, while his mother unsuccessfully attempts to get him to study.
After kissing him, Rebecca immediately changes when she agrees to Kyle's dance proposal ("You bet your sweet ass I'll go.")
When Rebecca enters the dance dressed up promiscuously and kissing every boy in sight, Mark is outraged and attacks Kyle for turning his sister "into a slut".
Mark gets onstage and makes a speech to his parents (particularly to his father) about the benefits of public schools – "...it's the main place where children learn all of their social skills.
Dio restarts and plays "Holy Diver" over the end credits, with Fonics Monkey joining in on drums.
When band leader Ronnie James Dio was asked how he felt about South Park's parody of him, he said "I thought it was wonderful.