Continuity mistake: In the scene where one of the hall monitors is folding the principal's note into a paper airplane, watch his cigarette. It goes from being in his mouth, to being in his hand and back without him moving it.
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)
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)
