Lisa's A+++ grade she got on a test for the book, ''The Wind and the Willows'', gives Springfield Elementary the grant money it sorely needs to update the school. The problem: Lisa cheated on the exam after spending her sick days from school playing video games instead of studying. Meanwhile, Homer raises a lobster to eat, but makes it his pet.
* DidIJustSayThatOutLoud: While trying to convince Principal Skinner to spend part of the extra funding money on Coleco-brand computers, Gil accidentally mentions something bad about them.
* FelonyMisdemeanor: Lisa worries that an F on her exam will cost her admission to Harvard University, and the only school that would accept her would be [[TakeThat Brown University]].
* FMinusMinus: Inverted Trope. Lisa's test gets an "A-Triple-Plus", and with it comes a lot of attention that she ''absolutely detests''.
* GenreSavvy: Knowing Lisa would confess, the whole town staged a fake ceremony to trick her into thinking she confessed and Comptroller Atkins (Otto), who decided to award them the money anyway, then used a fake Lisa to trick the real Comptroller Atkins.
* HonorBeforeReason: Despite the fact that it would benefit everyone in school, Lisa intends to try and stop it from happening just because she feels bad about cheating when it was her own fault to begin with.
* MedalOfDishonor: The "accidental" kind. As mentioned on HonorBeforeReason, Lisa would prefer to throw the school's welfare to the wolves before accepting the reward (and the extra funding money that comes with it, which the school direly needs ''and they have already used some of to buy stuff'').
* OutOfCharacterMoment: While it makes sense that Lisa would feel desperate enough to cheat if she didn't know the answers on a test, it does seem unlikely that Lisa wouldn't have already read ''The Wind in the Willows'' since she's the kind of person who would read books like that for fun.
* ScrewTheMoneyIHaveRules: Lisa.
* ScrewTheRulesIHaveMoney: Every Springfielder but Lisa.
* TakeThat: Marge telling Bart that they're not changing their religion to Catholic because "...three kids is enough, thank you." The Catholic League at the time spoke out against that line.
** The ImagineSpot of Lisa being forced to go to Brown University due to her one "F."
-->'''Skinner''': Mmmm, Brown. Heckuva school. Weren't you at Brown, Otto?
-->'''Otto''': Yup. Almost got tenure, too.
* WhereTheHellIsSpringfield: Superintendent Chalmers claims that Springfield Elementary School used to be considered the most dilapidated in Missouri until they brought it to Springfield. Lisa's and Skinner's looks of surprise when Chalmers mentions "Missouri" suggests that Springfield isn't there.