SNU: Personal essay
4000 bytes (about 600-700 English words)
Write a personal essay so the university can become acquainted with you in ways different from grades and test scores. You may evaluate a significant experience, achievement, or risk you have taken, discuss an issue of personal, local, or international concern and its importance to you, or describe a person who has had a significant influence on you and that influence.
What it’s really asking
This is the closest SNU gets to an open personal prompt, but it still serves the application. It asks you to show character, thinking, and the ability to organize and express ideas, ideally in a way that connects back to who you will be as a student.
Why they ask it
Grades and scores are flat. This section lets reviewers see how you reason and what you value, which helps them picture you in their department. It also quietly tests your writing discipline within a tight byte limit.
Three ways in
Go deep on one thing
Pick one experience or one person and go deep, rather than listing several, then draw a clear line to how it shaped your thinking.
Show your reasoning
Choose an issue you genuinely care about and show your actual reasoning on it, not just your position.
Mine a setback
Look for a risk or setback where what you learned matters more than how it turned out.
✕ Weak opening
“There are many people who have influenced me, but the most important is my mother, who taught me to never give up.”
✓ Strong opening
“I lost a debate I was sure I would win, and the loss rearranged how I listen to people I disagree with.”
The first thing my grandmother ever taught me to make was kimchi, and the first batch I made alone went rotten. 1I had rushed the salting because I wanted to be finished, and within a week the cabbage had turned to slime in the jar. I expected her to be disappointed. Instead she opened the lid, smelled it without flinching, and said, "Good. Now you know what too fast smells like."
2My grandmother raised me on weekday afternoons while my parents worked, and she had a particular theory of teaching: she refused to warn me before I made a mistake. She let me oversalt, undersalt, ferment in too much heat, and forget the jars entirely until they complained from the back of the refrigerator. 3Only afterward would she explain what had happened and why, so that the explanation always arrived attached to a consequence I could taste. It drove me to frustration for years. I wanted recipes; she gave me ruined cabbage and questions.
4I did not understand what she was giving me until I started running experiments of my own. By high school I had moved from kitchen fermentation to a different kind of slow chemistry, assembling small batteries and watching them lose capacity over weeks of charging cycles. 5The instinct I had to fight every single time was the same one that had ruined my first kimchi: the urge to hurry, to skip the dull waiting, to declare a result before the process was actually finished. When a cell behaved strangely, I would want to throw it out and start over. Then I would hear her: not yet, smell it first, find out what too fast smells like.
6Her lesson reshaped how I handle being wrong. I used to treat a failed experiment as wasted time and a bad grade as a verdict on my worth. Now I treat both the way she treated that rotten jar, as information that only a mistake could have produced. 7I keep a notebook of failed attempts, with the cause written beside each one, because I have come to believe that a clean record of successes teaches almost nothing.
8My grandmother died the spring of my final year, and I made kimchi for her memorial table. I salted it slowly. I checked it three times across two days, and it was the first batch she would have called finished rather than fast. 9She never saw a single one of my batteries, and she would not have cared what a lithium cell was. But everything I will try to do as a researcher, the willingness to wait, to read failure honestly, to distrust a result that came too easily, I learned from a woman who taught chemistry without ever calling it that.10
- 1A specific, sensory opening with an admission of failure. It signals this essay will reveal character, not list achievements, which is what the personal-essay prompt invites.
- 2Dialogue carries the lesson instead of the writer explaining it. The grandmother's reaction reframes failure as data, introducing the essay's real theme: patience as a method.
- 3Establishes the influential person concretely and gives her a distinctive philosophy. Showing her method through repeated small examples makes her feel real rather than sentimental.
- 4Honest about the friction in the relationship. Admitting frustration keeps the portrait from becoming an idealized tribute, which makes the eventual lesson more convincing.
- 5Bridges the personal story to the applicant's intellectual life without abandoning the essay's emotional center. The link (slow chemistry) is earned, not forced.
- 6Returns to the opening image and turns it into a working principle. The repeated line becomes a refrain that unifies kitchen and lab, showing genuine influence on behavior.
- 7States the influence's effect on character directly, which the prompt explicitly asks for ("and that influence"). It generalizes beyond the lab to how the applicant handles setbacks.
- 8A concrete habit that proves the lesson stuck. Small, specific evidence (the failure notebook) is more persuasive than asserting that one has grown.
- 9An emotionally restrained turn that avoids melodrama. The slow salting silently demonstrates that the lesson is now permanent, letting action carry the feeling.
- 10Closes by naming the influence in full and projecting it forward into the applicant's intended path. The final reframe (she taught chemistry without naming it) ties the whole essay together with quiet confidence.
Stuck? Start here
- Which single experience or person genuinely changed how I think, not just how I feel?
- Where did I once hold a view and then revise it, and why?
- What trait do I most want a reviewer to remember, and what scene proves I have it?
Before you submit
- I went deep on ONE subject instead of listing several.
- The essay shows my reasoning or character, not just a nice story.
- There is a clear thread connecting this to the student I will be.
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