The Private Lesson ratings (Movie, 1975)

A sexy piano teacher is the object of desire of one of the young boys in her class. One of his classmates finds out where she lives and hides outside her place, taking pictures of her undressing and writhing naked on her bed. He uses those photos to blackmail her into dressing up and acting like a hooker while teaching the class, and from there things get interesting.

Pink Flamingos
Total votes: 30,063
Average rating: 6.0 Piranha
Total votes: 27,066
Average rating: 5.9 Attack of the Killer Tomatoes!
Total votes: 16,079
Average rating: 4.6 Herbie Rides Again
Total votes: 9,359
Average rating: 5.7 Herbie Goes to Monte Carlo
Total votes: 8,569
Average rating: 5.7 The Adventure of Sherlock Holmes' Smarter Brother
Total votes: 7,698
Average rating: 6.0 Sweet Movie
Total votes: 6,830
Average rating: 5.9 The Cat from Outer Space
Total votes: 6,551
Average rating: 6.0 Dolemite
Total votes: 7,175
Average rating: 5.7 Supervixens
Total votes: 5,674
Average rating: 5.9