The cheat sheet: It's the one kindness teachers grant their battle-scarred students amid the brutality of midterms and finals. On a single index card or piece of paper, you're allowed to jot down material you need help remembering, then refer to it during the exam. It doesn't sound like much space — until you see just how dense cheat sheets can get.

Behold these lessons from 12 scholars who truly have mastered the art.

1. For starters, you're going to need at least two lines of notes per notebook line.

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2. Alternating colors can help you jump among topics without sacrificing space.

3. If you're using blank printer paper, narrow columns keep things neat.

4. Expert use of highlighters will help you skim with speed on timed tests.

5. Can't forget multicolor gel pens. Essential.

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6. Some free spirits just go with jigsaw text clouds.

7. They work for all subjects, even advanced physics.

8. Using legal-size paper is a sneaky way to score extra notes.

9. Though some confident folks have room to spare.

10. This person didn't even need a whole index card.

11. Typing a cheat sheet can help you cram in tons of info.

12. But scanning and shrinking a 13-page study guide might be pushing your luck.

Headshot of Noelle Devoe
Noelle Devoe
Entertainment Editor

When I'm not holed up in my room going on a completely unproductive Netflix binge or Tumblr stalking Timothée Chalomet, I'm searching for awesome celeb news stories that Seventeen readers will love!