Other mistake: When the student body presidential candidates are giving their speeches, "Monarchs" is on the Gym floor, and not "Wolverines." This is because the school where it was filmed, Papillion-LaVista, their mascot is Monarchs.
Other mistake: In the ending credits of this movie, it says "Cast (in order of appearance)" and the first character to be mentioned is Rose, whereas, in the beginning of the movie, Dorothy is the first one on the screen, and, the first person who talks.
Other mistake: When Bill Gates arrives in Albuquerque, after Paul Allen says "It's not so bad when there's no wind" the subtitles say "oh yeah? what is that?" however the audio says "oh yeah? when is that?"
Other mistake: When Porter cuts the fuel line on the car and is about to light it, Carter's henchmen see him and act surprised. Despite having ample time to get out (as any rational person might do), they just sit in the car and wait for it to explode.