Continuity mistake: When Tracy sets up her card table before school there's a close up of each leg being flipped out. If you count; theres five legs shown from a four legged table.
Continuity mistake: During the flashback of Paul's skiing accident the colors of his parka change with each shot.
Continuity mistake: When Jim is introducing Paul at the elections assembly, we first see his right hand on the microphone and his left hand on the microphone stand. They it cuts to a close up but now his left hand is on his lap.
Continuity mistake: When McAllister is stung by a bee/wasp on the eye he goes back to the school to get changed. When he checks his reflection in the mirror his eye isn't swollen but when he looks away his eye is swollen again.
Continuity mistake: Right before Tracy Flick goes up to give her speech, as they're panning across the candidates, the last girl on the left sitting next to Jim McAllister has her legs crossed one way and the next second has them crossed the other way.
Continuity mistake: When Jim is interrogating Tracy, he sits on a chair for a while then gets up to get a cup of water. He didn't push the chair back under the table. But then, in a following wide shot the chair is now pushed under the table.
Continuity mistake: When Tracy Flick is handing Jim McAllister the names of students, the beginning of the scene has an overcast sky. At the end of the scene, it is a sunny day.
Continuity mistake: The position of Jim McAllister's bag changes when he puts it down to find the key for the box.
Continuity mistake: When Jim is trying to convince Paul to go in the election and he gives him a speech about morals and ethics, he draws five circles on the board. Between shots, the fifth circle drawn on the board changes in the way it is drawn.
Continuity mistake: After Mr. McAllister and Linda arrange to meet at the hotel, he is seen driving away from her house on the sidewalk. Yet later, as he checks for her at her house, the sidewalk has mysteriously vanished.
Continuity mistake: When Mr. McAllister is getting ready to meet Linda at the hotel he gets into his car a has a big sweat stain on his back. A few minutes later the stain is gone.
Continuity mistake: In the scene where Jim McCalister is giving the pop quiz, it shows two shots of him looking at the clock.