Why is Fairuza Balk's mental institution?

Fairuza Balk's character in the film "The Craft" is depicted as a troubled young woman who struggles with her identity and mental health, often feeling alienated and misunderstood. Her time in a mental institution serves as a backdrop to highlight her internal conflicts and the darker aspects of her personality. This setting emphasizes themes of isolation, the search for belonging, and the consequences of wielding power without understanding, which are central to the film's narrative.