How to write a good supplemental essay? đź–‹

authorVitalii Anufriiev
September 3rd, 2023

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Applying to colleges is indeed a very stressful time. The most crucial elements in your application process include your grades, test scores, and courses. There is also a supplemental essay that you need to write. Aside from this required essay, many colleges also require supplemental essays. What is a supplemental essay? Let’s figure this out.

Imagine Kayla, she’d never written a personal essay before, but when she saw her college’s prompt about “How do you challenge yourself?” she dug up that weekend she spent coding a charity website from scratch, just like many other students . Suddenly, her supplemental essay wasn’t just fluff – it was the highlight reel with concrete examples that got her admitted.

So, what really are supplemental essays? They are essays apart from the main ones that help the examiner get to know more about you.

Supplemental essays are a great way to give away information about yourself to the examiner. They help you stand out from the crowd, and they also help you demonstrate your areas of academic interest.

No cap, think of a supplemental essay as your backstage pass. Grades and scores are cool, but this is where you drop hints about what actually moves you – like how Marcus snuck out of bed at 5 AM to train his swim team. Details like that stick in an admissions officer’s mind way longer than “I have a 4.0.”

While supplemental essays aren’t always a requirement, they are one of the best ways to tell the examiner about your thoughts and how you are different from the others around you.

– Get help with your college essay

Plus, don’t even try to recycle the same essay for every school. Last year, Sam used the exact “Why X University?” essay for both Stanford and Yale. Admissions caught on when he mentioned “Cardinal red” for Yale – facepalm. Point is: personalize. Otherwise, you’re basically handing them a copy-paste.

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Most students often worry about how to write supplemental essays. It can indeed seem to be a daunting task. You want to remain relevant, especially about your most meaningful extracurricular commitment and your personal growth, but at the same time, you want to give away as much information about yourself as possible while keeping an eye on word counts .

If you also have a question about how to write supplemental essays, then continue reading to get to know tips that can help!

Writing Supplemental Essays for the Common Application

Tips on How to Write Supplemental Essays

First off, picture this: you’re at your favorite coffee shop scribbling ideas, scribbles everywhere, phone buzzing with notifications. How do you turn that chaos into a killer essay? Keep reading, for real examples that make this feel less like rocket science and more like telling a friend your story. Let’s break it into main points.

Answer the Question & Add Personal Experience

The first and most important thing you need to do is to read the prompt and understand what they are asking you. It is only when you fully well understand what they are asking you can you remain relevant and answer the questions correctly.

Some students often try to use the same essay that they write for another college, but that isn’t always the best idea.

For instance, if a prompt asks “Why our college?” don’t just say “Great academics.” Instead, try: “I want to join your community garden project because last summer I built raised beds for neighbors – you guys have that same vibe.” See? Specific beats general every time.

Remember that the examiner is very smart and knows more about students than you think he does. So you should write a separate essay for different prompts. Be sure to answer the supplemental essay questions.

Start With an Outline

One of the most important things when writing an essay, whether it be a critical thinking essay or any other, is to start with an outline.

An outline helps you brainstorm and have everything in perspective before you begin. It helps you channel your thoughts in the right direction and plan your essay well before you start writing.

Think of outlining like mapping your road trip. I once listed “tutoring math,” “organizing bake sale,” and “building app for local shelter” all on index cards. That mess of ideas turned into three bullet points under “Leadership” and “Community Impact.” Outline first, write second, and watch how much smoother it goes.

Experts advise that you brainstorm the personal qualities or skills that you want to highlight before you begin working. Once you are done with that, you can convey the right message in your college supplemental essay.

Don’t Repeat Yourself, Admissions Committee Won’t Like It

When writing a university supplemental essay, you need to make sure that you don’t repeat yourself and ensure that your student’s voice comes through . That can annoy the examiner and make them feel like you are just trying to meet the word count. That is in fact, the worst thing you can do.

Instead of “I’m passionate about biology. I’m passionate about biology,” try: “Biology hooked me when I spent weekends dissecting owl pellets with my grandma’s microscope.” That way, admissions officers get a story, not a rinse-and-repeat.

Remember that getting to write a college supplemental essay is one of your chances to get to tell the examiner about yourself. Make use of the number of words that you have very wisely, and begin to write accordingly.

Narrow Your Focus. Many Supplemental Essays are Vague

The biggest mistake that students make when writing a university supplemental essay is that they tend to work on a very broad topic. Choose a prompt that is much narrowed down, and be prepared for short answer questions that may follow . That can help you focus on one thing and help talk about it in the best way possible.

For example, don’t write “I love helping people.” Instead say, “Volunteering at the animal shelter taught me to juggle vet appointments for 20+ dogs a week.” That’s narrow, punchy, and impossible to ignore.

Be very specific about what you say, and make sure you are sure about what you are saying. If you say something that is too far-fetched, examiners can easily catch you.

They have ample experience in this field and can instantly tell if a student is making something up.

Maintain Your Voice

Many students ask for editing help once done. That is not a bad idea. It can help you further make your article one that stands out. But remember that you should sound like yourself, and avoid letting too much input from a family member change your authentic voice . Too much input from someone else can be detrimental.

Imagine Alex, who wrote about painting murals for his town – he kept his own slang (“I got paint on everything, even my sneakers”). That raw feel made his essay stand out. If you sound like dad wrote it, it’s a wrap – stay real, stay you.

The examiner can instantly tell that you have had someone to help you, which surely doesn’t give a good impression. Remember that this is a great way for the examiner to get to know you. So you need to make sure that it sounds like you.

The Most Popular Supplemental Essay Prompts

Supplemental essay prompts are often used by colleges and universities as part of the application process.Now let’s move forward to t

These essay prompts are designed to help the admissions officers get to know applicants on a deeper level and understand what makes them unique. Different institutions have various essay prompts, so it’s crucial to carefully read and respond to each question thoughtfully.

Now, let’s check out how other students have smashed these prompts. Seeing a few examples can spark ideas, plus, you’ll find patterns that make your answer pop instead of flop.

Here are some common supplemental essay prompts that universities might ask:

  1. Why this College?
    • Why are you interested in attending [College/University Name]? How do you see yourself contributing to our community?
  2. Extracurricular Engagement:
    • Please describe an extracurricular activity or work experience that has been particularly meaningful to you and why.
  3. Major Choice:
    • Why have you chosen this particular major? How did you become interested in it?
  4. Community Service:
    • Reflect on a time when you questioned or challenged a belief or idea. What prompted your thinking? What was the outcome?
  5. Diversity and Inclusion:
    • Our community is diverse in many ways. Describe an experience where you engaged with someone whose background, particular cultural traditions or beliefs were different from your own and how it impacted you.
  6. Intellectual Curiosity:
    • What question or problem do you hope to explore through your studies, and why is it important to you?
  7. Leadership:
    • Describe a time when you demonstrated leadership in your school or community. How did this experience shape your goals?
  8. Setbacks and Growth:
    • Discuss a time when you faced a challenge, setback, or failure. How did it affect you, and what did you learn from the experience?
  9. Creative Expression:
    • If you could create a new course that all high school students were required to take, what would it be and why?
  10. The Future:
    • Where do you see yourself in ten years? How will your education at [College/University Name] help you achieve these goals?
  11. Current Events:
    • Choose a current event or issue in your community and explain why it is important to you. What steps would you take to address it?
  12. A Favorite Book or Work of Art:
    • Describe a book, work of art, or piece of music that has had an impact on you, and explain why.

Remember to answer supplemental essay prompts with specificity, honesty, and personal insight.

Be sure to tie your responses back to the college or university to which you are applying, showcasing how you would be a good fit for their community and how their resources and environment can help you achieve your goals. Admissions officers will love it.

Okay, seeing all those prompts is cool, but what’s next? You’ve got to plan answers that fit your vibe. Scan through that list, pick two that give you goosebumps, and start jotting down memories tied to those questions.

Now let’s move forward to the next block with exact steps in writing great supplemental essays.

Step By Step Process

You know how you stalk someone’s Insta before a first date? Do the same here—check out the college’s social media, mission statement, or that quirky podcast they hosted last month. Then reference one detail in your essay—like their student-run radio show—to show you actually did your homework. It’s way more authentic than generic praise.

If you are concerned about how to write supplemental essays, here is a step-by-step process that can guide you throughout, and also some tips to avoid mistakes in the common app.

This video will also help find out some tips on how to avoid mistakes:

All College Applications Start with an Introduction

The introduction is the trickiest part of the supplemental essay. This is the part where you have to grab the reader’s attention, especially with each different prompt that you might encounter . Not just that, but you have to say something that makes them want to continue reading. It needs to be written well so that the reader would want to continue with it.

Take Jenna: she opened her essay with, “I used to serenade my plants at dawn, yes, really.” That quirky line hooked the reader instantly. Instead of starting with “I’ve always loved learning,” find a moment that makes someone double-take.

This is the part where you give an opening statement about your essay, telling the readers all they need to know about you to become interested in what will come next.

Outlining your Common App Personal Statement

Next, you need to brainstorm about all that you will be writing. Here, you need to know that you don’t have extra words to keep going on and on. So you must plan accordingly and write information that is very relevant.

I once sketched a spider diagram with “Volunteering,” “Game Design,” and “Family Story” as major nodes. Those branches turned into three mini-stories in my essay, so it never felt like filler. Brainstorm like crazy – then pick the juiciest bits.

Bear in mind the essay prompt and write in accordance with that. Make sure you write in a very clear way and tell the reader all about you. You can either work around an anecdote or a personal experience that makes things much simpler for the reader to understand.

On the internet, you will find several supplemental essay examples. These examples will help you understand how you need to frame your argument and why that is helpful for you.

Conclude…conclude…conclude

When you write your conclusion, you need to summarize what you write in the supplemental essay without repeating it. The idea is to leave the reader impressed with what you have to say. By the end, the examiner should be convinced that you are a great fit and are going to be doing really well with them.

When Maya wrapped up her essay, she looped back to her intro about “chasing lightning bugs in her backyard.” It left admissions feeling like they’d closed a novel. Don’t just restate, echo that opening moment to give your ending some serious punch.

Hence, when you write your essay, there should be an emerging theme that comes out of that. There should be something in the supplemental essay that speaks about who you really are. If you plan on highlighting one specific part of your personality, for example, you need to ensure that you work around that theme only.

Don’t forget to let Grammarly (or your go-to proofreader) catch the typos, but then do one more read aloud. I once missed a “their/there” swap until I literally heard it stumble off my tongue. Reading out loud helps you catch those sneaky mistakes that spell-check can’t spot.

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Supplemental Essay Example

Here is a supplemental essay example that is very intriguing and helps capture the attention of the reader:

Tips for Writing Supplemental Essays for the Common Application

Example of Supplemental Essay #1

The essay prompt read: “Given your interests, values, and goals, explain why Oberlin College will help you grow (as a student and a person) during your undergraduate years.”

“I visited 18 colleges over the past year, yet Oberlin is the one place that most spoke to my interests. Early in my college search, I learned that I prefer a liberal arts college to a larger university. The collaboration between the faculty and undergraduate students, the sense of community, and the flexible, interdisciplinary nature of the curriculum are all important to me.”

We can see how this example illustrates ideally how we need to capture the attention of the readers.

As part of the main body of the essay, you must also highlight your extracurriculars. That is something very important. It tells the examiner all that interests you besides your education.

Supplemental Sample Essay #2

Prompt: “Why are you interested in attending Maplewood University? How do you see yourself contributing to our community?”

I first visited Maplewood University’s campus during a regional science competition. As I stepped into the Biotech Research Center, I noticed undergraduates presenting a study on sustainable biofuels. The confidence with which they discussed lab protocols—and how they described collaborating across departments—immediately aligned with my aspirations. At my high school, I initiated a small biology cohort that examined water quality in nearby streams; once, we spent a rainy Saturday collecting samples from Oak Creek and testing pH levels in my kitchen, a makeshift lab. Maplewood’s interdisciplinary approach—especially its combined Biology & Environmental Studies sequence—resembles the path I have already begun forging.

Moreover, I plan to join the Undergraduate Research Fellows program to refine my methodology for ecological sampling. Under Professor Lin’s guidance (whose 2023 paper on microbe-assisted remediation I cited in last year’s project), I would develop a semester-long independent study on local wetland restoration. Beyond academics, I aim to participate in the Sustainability Council, proposing data-driven initiatives for campus recycling and energy use. By contributing both in the lab and through environmental advocacy, I hope to deepen the collaborative spirit I first witnessed during my visit. Maplewood’s culture of hands-on research and community engagement mirrors my own drive to apply scientific inquiry toward tangible ecological solutions.

Supplemental Essay Sample #3

Prompt: “Please describe an extracurricular activity or work experience that has been particularly meaningful to you and why.”

During my junior year, I served as president of my school’s Debate Club, where I guided a team of fifteen students through regional and state tournaments. One memorable debate focused on policymaking for renewable energy: I spent hours researching wind-shear effects on turbine efficiency, then organized weekly strategy sessions to refine our collective arguments. In preparation for the state championship, I collaborated with an alumnus—now studying political science—to simulate cross-examination drills. As a result, our team advanced to the semifinals, marking the club’s first top-four finish in five years.

Beyond competition, I implemented a peer-mentoring system: each experienced debater paired with a freshman, helping them deconstruct complex policy briefs and hone public-speaking techniques. This mentorship not only improved individual performance—our novice members earned three team awards—but also fostered a sense of community across grade levels. Through this role, I cultivated skills in leadership, research, and collaborative problem-solving; more importantly, I discovered how structured argumentation can translate abstract policy concepts into accessible discussions.

In college, I intend to join the Model UN delegation and continue bridging research with public discourse. My experience in debate has taught me to synthesize diverse information streams and articulate evidence-based solutions—abilities I will apply both inside and outside the classroom.

Supplemental Essay Example #4

Prompt: “Discuss a time when you faced a challenge, setback, or failure. How did it affect you, and what did you learn from the experience?”

In the summer before senior year, I developed a mobile app prototype intended to connect volunteers with local food banks. Although I had coded basic interfaces in prior coursework, this project required integrating real-time database updates and user authentication for the first time. After weeks of development, I presented the beta version at a community tech fair. However, when users attempted to register, the database repeatedly crashed—critical tables had not been scaled to handle simultaneous queries. I realized, to my dismay, that I had prioritized the app’s visual design over robust backend infrastructure.

Initially, I felt deflated; I had envisioned this prototype as the centerpiece of my scholarship application. Yet, recognizing that the error stemmed from insufficient testing and planning, I revisited my development process. I enrolled in an online course focused on SQL optimization and collaborated with a mentor from my school’s computer science department to refactor the database schema. By iterating on my design—implementing normalized tables and indexing frequently queried fields—I ultimately relaunched the app successfully in January. Within weeks, three local food banks registered, and twenty volunteers signed up.

This experience reinforced the importance of rigorous planning and iterative testing in software development. More broadly, it taught me resilience: encountering a critical failure can reveal gaps in preparation, but addressing those weaknesses can lead to a more sustainable solution. As I pursue a computer science degree, I will continue applying this lesson—prioritizing thorough architecture design before advancing to superficial features.

Make sure to not miss another important article – how to write a Successful Common App Activities List.

Pro tip: sprinkle in a vivid detail—like the smell of oil paint in a studio or the taste of your grandma’s special chili. Those sensory moments make an admissions reader feel like they’re right there with you. Instead of “I volunteered,” try “I still remember the hum of sewing machines at the free clinic on Saturdays.” It’s small, but it makes a big impact.

It’s also important to highlight that college’s academic program may vary from time to time and not all universities require supplemental essays.

Here is a list of some of the world’s popular universities that require supplemental essays:

  • American University
  • Amherst College
  • Babson College
  • Barnard College
  • Boston College
  • Boston University
  • Bowdoin College
  • Brandeis University
  • Brown University
  • Bucknell University
  • Caltech
  • Carnegie Mellon University
  • University of Chicago
  • Claremont McKenna College
  • Colgate University
  • University of Colorado – Boulder
  • Columbia University
  • Cornell University
  • Dartmouth College
  • Duke University
  • Emory University
  • Florida A&M University
  • Fordham University
  • The George Washington University
  • University of Georgia
  • Georgetown University
  • Georgia Tech
  • Harvard University
  • Harvey Mudd College
  • Haverford College
  • Howard University
  • University of Illinois Urbana-Champaign
  • Johns Hopkins University
  • Lehigh University
  • University of Michigan
  • MIT
  • UNC-Chapel Hill
  • Northwestern University
  • University of Notre Dame
  • NYU
  • University of Pennsylvania
  • Penn State University
  • Pepperdine University
  • Pomona College
  • Princeton University
  • Purdue University
  • Reed College
  • Rensselaer Polytechnic Institute
  • Rice University
  • University of Richmond
  • University of Rochester
  • Santa Clara University
  • University of Southern California (USC)
  • Spelman College
  • Stanford University
  • SUNY Stony Brook University
  • Swarthmore College
  • Syracuse University
  • Texas A&M University
  • Tufts University
  • Tulane University
  • Tuskegee University
  • University of Texas – Austin
  • Vanderbilt University
  • Vassar College
  • Villanova University
  • University of Virginia (UVA)
  • Wake Forest University
  • Washington University in St. Louis
  • Wellesley College
  • William and Mary
  • University of Wisconsin – Madison
  • Worcester Polytechnic Institute
  • Yale University

Ready for Writing Great Supplemental Essays?

Now that your question of how to write supplemental essays is solved along with the common app guidelines , you can be at ease about it, knowing that you will surely give your best to it. Read an article on rolling admission that also includes useful tips for your academic interests and academic pursuits.

Make sure to read several supplemental essay samples and short answer questions . These examples can help you understand how to frame your argument and how to get your point across in the best way possible.

Understand that the examiner will go through thousands of these essays and you might use common app writing help to get your reference. Let your Common App essay shine bright like a diamond, catching the eye of the admissions committee .

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For you to stand out during a college admissions process, your essay must be written exceptionally well. Only then will you be able to shine through the several hundreds of people who are applying through admissions committee. Ready to start the essay writing process?

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    author

    Vitalii Anufriiev

    CEO and Co-founder at Writing Metier OĂś