Visible crew/equipment: After Miss Togar leaves the gym Coach tells the girls to hit the shower then blows her whistle, and when Riff tells the girls to go the taped T-mark can be seen on the floor at the bottom of the screen, just as the girls rush off (it is not a basketball line marking). (00:26:45)
Other mistake: While the school is burning, a few shots after the closeup of Kate and Tom kissing, there's another shot of an explosion and it's a flipped shot, note the writing is backwards on the banner. (01:30:10)
Continuity mistake: When Eaglebauer brings Kate to be Tom's "training partner" the rearview mirror in Eaglebauer's car vanishes, reappears, and vanishes again. (00:31:50)
Visible crew/equipment: While Eaglebauer and Kate are in the car, the reflection of the camera and lighting equipment can be seen on Eaglebauer's sunglasses. (00:31:50)
Continuity mistake: When the paper airplane flies into the classroom in the wideshot, there's a guy wearing a striped shirt sitting at the back who vanishes in the next closeup. (00:16:10)
Revealing mistake: After Fritz throws the paper airplane, when it flies into the first locker and comes out through the last locker, the wire pulling the paper can be seen here and then again in a following shot. (00:16:05)