How to Write the University of Pennsylvania Supplemental Essays (2025–2026)

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University of Pennsylvania Supplemental Essay Prompts

UPenn asks applicants to respond to multiple short essays, including:

  • A short “thank you” note

  • A community-focused essay about Penn

  • A school-specific essay (Arts & Sciences, Engineering, Wharton, etc.)

Each prompt is relatively short. That means you don’t have space to wander—and you can’t rely on generalities.

What Penn Is Actually Asking

Penn’s supplementals test something slightly different from many other schools.

They are not primarily asking you to explore who you are. They are asking whether you can apply your thinking in a specific context.

That means:

  • being clear about what you care about

  • being specific about what you want to do

  • showing how that connects to Penn

The biggest mistake students make is treating these like miniature personal statements. That approach usually leads to writing that feels vague or unfocused.

Strong responses are more direct. They answer the question, use the limited space carefully, and stay grounded in specific examples.

The Thank-You Note

Prompt:
Write a short thank-you note to someone you have not yet thanked and would like to acknowledge.

Word limit: ~150–200 words

This is one of the more unusual supplemental prompts, and it’s easy to get wrong.

Students often default to obvious choices—parents, grandparents, teachers—and then write something generic. The problem is not just who you choose, but what you say.

A weak response spends most of its time expressing gratitude in broad terms:

  • “Thank you for everything you’ve done”

  • “I wouldn’t be where I am without you”

That kind of language is interchangeable. It doesn’t tell the reader anything specific.

A stronger response does the opposite. It spends less time on the thank-you itself and more time on the moment or experience that made the gratitude meaningful.

What did this person actually do?
Why did it matter in a way that might not have been obvious at the time?
How did it affect you, either then or later?

The best responses often focus on something relatively small—a comment, a gesture, a brief interaction—that had a lasting effect. What makes it work is not the scale of the event, but the specificity of the reflection.

This is closer to a Common App–style task than most supplemental essays. You are being asked to reflect on your experience and show that you understand why something mattered.

The key is to get there quickly. You don’t have space for buildup. Use your words to make the experience clear and the reflection precise.

The Penn Community Essay

Prompt:
How will you explore community at Penn, and how will your experiences and perspective help shape the Penn community?

Word limit: ~150-200 words

This is a two-part question, and you need to answer both parts clearly.

Students often focus on one side—either what they will do at Penn or what they will bring—and neglect the other. That weakens the essay.

A strong response identifies one specific way you would engage with community at Penn. At most two. Any more than that becomes superficial.

The most common mistake is writing in general terms:

  • “I will join clubs”

  • “I will contribute to discussions”

  • “I value diversity and collaboration”

None of that is specific enough to be meaningful.

Instead, you need to identify something concrete:

  • a group, program, or initiative

  • a particular way of contributing

  • a specific interest you would bring into a shared space

And then you need to do something just as important: explain how that experience would shape you in return.

Penn is not just asking what you will do. They are asking how you will change through that engagement.

The strongest responses feel grounded and reciprocal:

  • this is what I bring

  • this is how I engage

  • this is how that experience develops me further

School-Specific Essays

After the shared prompts, your application diverges depending on the school you’re applying to. These essays are all variations on the same task: a compressed “Why Us” response.

College of Arts & Sciences

This is a short, highly compressed “Why Us” essay.

You don’t have space to explore broadly. You need to be direct.

What are you curious about?
What do you want to study?
How would you pursue that at Penn?

The most common mistake is staying at the level of general interest:

  • “I’m interested in economics and politics”

  • “I want to explore interdisciplinary study”

That’s not enough.

You need to show a clear direction. Not a fixed plan, but a line of thinking that you’ve already begun to develop and that Penn would allow you to extend.

As with any “Why Us” essay, the goal is not to list resources. It’s to show how specific opportunities connect to something you’re already interested in.

School of Engineering and Applied Science

This is also a “Why Us” essay, but with an added constraint: specialization.

You cannot write about engineering in general terms. You need to identify a specific area or set of problems that interest you.

What kind of engineering draws your attention?
What have you done to explore it?
What do you want to do next?

Once that’s clear, you can connect it to Penn.

The structure is the same as any strong “Why Us” response:

  • establish your interests

  • show how they developed

  • explain how Penn allows you to pursue them further

The difference is that your interests need to be clearly defined. General statements about innovation or problem-solving won’t carry the essay.

The Wharton School

Wharton’s prompt is a variation on the same core task, but it’s framed more around real-world problems.

You are typically asked to reflect on a current issue that matters to you.

The mistake here is choosing something too large:

  • climate change

  • global inequality

  • world hunger

Those topics are important, but they’re difficult to handle in a short essay without becoming generic.

A stronger approach is to choose something more specific—an issue you can actually describe in detail and connect to your own experience or interests.

From there, the structure is familiar:

  • explain why the issue matters to you

  • show how you’ve engaged with it or thought about it

  • connect it to what you would pursue at Wharton

This is still a “Why Us” essay. It’s just framed through a problem rather than a field of study.

Common Mistakes Students Make

1. Writing a generic thank-you note
Broad expressions of gratitude don’t work. The essay needs a specific moment or experience.

2. Treating all prompts like personal statements
Most of these essays are not exploratory. They require direct, focused answers.

3. Being vague about interests
Saying you’re interested in “business,” “engineering,” or “politics” is not enough.

4. Listing Penn resources
Naming courses, programs, or clubs without explaining how they connect to your thinking feels generic.

5. Lacking direction
Penn is looking for clarity. You don’t need a rigid plan, but you do need to show where you’re going.

Final Thought

Penn’s supplemental essays are short, but they are not simple.

They require you to be precise—to know what you’re interested in, to communicate it clearly, and to connect it to a specific environment.

If you can do that, your essays will stand out—not because they try to impress, but because they make your thinking visible.

You can find more supplemental essay guides here:
College Essay Supplemental Guides →

Want Help Thinking This Through?

Penn’s essays require you to shift quickly between reflection, specificity, and planning—all within tight word limits.

If you’re struggling to make those transitions, we work with students to refine each response so that it is clear, grounded, and aligned with what the prompt is actually asking.

You can learn more about our approach here:
College Essay Coaching →

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