Another typical day at Santo Bello High begins as a pickup truck hauling Jerry Lee Lewis and his piano stops to entertain the teenagers. The "Killer" frantically pounds on the keys and belts out a frenzied rendition of the title song, thus starting HIGH SCHOOL CONFIDENTIAL off with a bang.
We then meet Tamblyn, a street tough recently arrived from Chicago, who is living with his over-sexed aunt, Van Doren. Tamblyn assures his place at the new school by bullying nearly everyone he meets (including the principal), flashing a huge wad of cash, casting a lustful eye at attractive
English teacher Sterling, and stealing local gang leader Barrymore's girl friend, Jergens....