At the core of Twilight is an interesting idea -- the concept that kids, one isolated and alienated, the other immortal and prone to acts of fatalistic heroics, can come together to find soulmate sanctuary in the cutthroat Hell known as high school.
The underlying motivation to save Horizons West was about Sticking It to The Man. Us versus Them. Punk culture versus conformist culture. Poor against rich. All, interestingly enough, attitudes heavy in the subtext of the Z-Boys movies.