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A Boston girls' college is the center of a series of gruesome killings. Each victim is repeatedly slashed and decapitated by a silent killer wearing black leather and an opaque motorcycle helmet, and the disembodied heads are found floating nearby in water; a duck pond, a sink, a toilet. The only clue is that all the girls have been rumored to be involved with anthropology professor Vincent Millett (Drew Snyder), and investigating officer Judd Austin (Leonard Mann) is smart enough to know that there's a connection. After some fruitless interrogations, he sneaks into the home of Millett and his live-in research assistant (Rachel Ward) and discovers photographs of the two in the company of jungle headhunters. If you haven't figured it out by now, then by all means, spend an hour and a half with Night School, but anyone else (including slasher fans) will consider their time wasted. Directed by the same man who brought us Chitty Chitty Bang Bang, the film skimps on gore, suspense, and logic, and anemically misuses several elements apparently cribbed from Italian giallo thrillers (namely the killer's look and the ritualized murders).