This regional exploitation movie doesn't have enough verve to be among the great camp "girl gang" movies like "Switchblade Sisters," "Teenage Doll" etc., but the mile-wide Texas accidents, big hair, amateur performances, silly plotting, and so forth are enough to amuse if you're into bad low-grade 1980s genre films. (I know this movie is dated 1993, but either it sat on the shelf a few years, or Texas was a few years behind the times--it's sooooo Eighties, from the fashions to the synthpop and everything else.)
A secret group of high school girls called "The Sisterhood" wreaks revenge on "bad" people-- jock rapists, campus drug dealers, yes, but also seemingly other girls who merely flirt with their boyfriends. They draft a new member who, unbeknownst to them, is a split-personality rageaholic screwed up from being sexually abused by her evangelical father. Meanwhile an undercover cop posing as a punk schoolgirl arranges a big drug purchase in order to have a police sting. Since she's convinced everyone she's a real skank, she's at risk of attracting unwanted attention from our unhinged avenger.
"Brutal Fury" feels sleazy enough that you might not realize until it's over that unlike pretty much every other movie of its type ever made, there's no nudity. (I don't remembert any cursing, either.) It's clumsy and silly and ineptly paced, but it has some hapless charm. It would have made a good Mystery Science Theatre episode.