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Blackboard Jungle (1955) Poster

Goofs

Factual errors 

As Professor Kraal escorts Dadier through the suburban school, the sound of students singing the national anthem is heard in the distance, louder in each succeeding scene, missing no verses. Kraal and Dadier are eventually shown ending their tour in the school auditorium, where they've joined the students in singing the anthem's final verse. However, in order for the two men to be present during the assembly while the students were still singing the anthem, the students would have to have sung the anthem over and over again for the entire time it took for the two men to tour the school.
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Jump to: Continuity (5) | Crew or equipment visible (2) | Factual errors (2) | Miscellaneous (2) | Spoilers (1)

Continuity 

When the hoods break Josh's record collection, one of the kids starts playing a record and we hear music. During one part of the scene we see the phonograph arm playing the final groove of the record indicating that the record has finished playing, but we can still hear the music.
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As Mr.Dadier is talking to the detective about his attackers,a few of the students are seen entering the classroom twice.
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In the record smashing scene, as the students exit the classroom, Santini(Jamie Farr) is shown walking down the hallway, but in the next shot he is still in the classroom,giving Mr.Edwards his glasses.
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As the detectives are talking to Mr.Dadier outside his classroom, a few of the students are shown entering the classroom twice.
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In the record smashing scene,as the students leave the classroom, Santini walks down the hallway, but in the next shot is handing Mr. Edwards his glasses.
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Crew or equipment visible 

Before Mr. Dadier enters the principal's office, the top of a movie camera can be seen rolling behind a high window of the office.
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When the parked car is turned over by the hoodlums driving-by, a securing cable is visible as the car flips.
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Factual errors 

In the maternity hospital there is a sign reading "DOCTOR'S LOCKER ROOM" with the apostrophe after the R. This would mean that there is only one doctor. It should read "DOCTORS' LOCKER ROOM" where the apostrophe after the S indicates more than one doctor.
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When Dadier is talking to Miller in the auto shop, Miller is working on a car. He is using a ratchet. But instead of twisting the ratchet handle, he is holding it still and twisting the socket extension bar with his hands.
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Miscellaneous 

Set decoration includes cardboard alphabet running across top of blackboard - something rarely seen past a third grade classroom, let alone a high school.
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In the garage scene, when Miller starts fixing the car, he says "nobody gives a hoot", but his lips indicates he really says "nobody gives a damn". The replacement of the profanity is made humorous by the director, who chose to play the sound effect of a car horn when the word "hoot" is uttered.
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Spoilers

The goof item below may give away important plot points.

Continuity 

In the climactic knife fight with Dadier and West, West slashes Dadier's hand with his knife. Ultimately Dadier grab's West's shoulders and shakes him violently, his right hand bleeding profusely on West's left shoulder. The next scene as West is being led off to the principal's his left shoulder appears clean.
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See also

Trivia | Crazy Credits | Quotes | Alternate Versions | Connections | Soundtracks

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