A webcomic based on experiences in cult called Elan School.
First off, here is a link to the comic: [elan.school
It gives tremendous insight and first-hand experience into the initial shock of being forced into a cult.
The Elan School was one of the many "troubled teen" cults that misled parents, school districts, and court systems into sending them children. In a "Lord of the Flies" style system, the children were encouraged to self-govern and it was the job of the older residents to persuade the newer residents into "getting with the program". Types of "persuasion" included physical beatings in a ritual called "The Ring", month-long stints in a isolation chamber called "The Corner", and a sick ritual called a "General Meeting" where the entire population would publicly verbally humiliate one student for up to an hour.
Here is the Wikipedia for more information: [en.wikipedia.org
Elan was one of the many spin-offs of the Synanon Cult: