In the book "Jack In The Box", Jack Twiller's experiences are followed from elementary to high school, while in his screenplay, William Kotzwinkle creates a younger brother, dividing these experiences between two separate characters.
Movie was almost completely filmed in Highland Park, Ca. Highland park is an old Los Angeles suburbs with very old architectural structures , streets and homes.
The US release was edited so it could receive a PG-13 rating, even though the directer wanted to give it an R rating, but New Line wanted to be teen safe. Many "F" words were edited out from it's original release but recent releases had all the original "F" words added the way the director intended to have it released.