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University of Colorado Boulder

One 250-word "why this major" supplement that doubles as your "why CU Boulder."

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Supplemental essays

1 required

Word limit

250 words

Personal statement

Common App, 250-650

Testing

Test-optional

What CU Boulder rewards

CU Boulder keeps it short. Beyond your Common App personal statement (250-650 words), first-year applicants write one required supplemental short answer, capped at 250 words. That is the whole supplement. CU Boulder is test-optional, so scores are a bonus, not a requirement, which puts even more weight on your writing.

The single prompt sounds friendly and open, but it is really two questions stacked into one: what you want to study and why, plus why CU Boulder specifically. The challenge is fitting a real intellectual story plus concrete CU Boulder details into 250 words without sounding generic. Most applicants burn the space on warm filler. You won't.

01Genuine intellectual curiosity. CU Boulder wants to see that your interest comes from somewhere real, a class, a job, a project, a problem you keep poking at. They literally invite you to trace where your interests came from if you don't have a major picked yet. Show the origin, not just the destination.

02Specific fit, not flattery. Naming a lab, a program, a course, a research center, or a Boulder-specific opportunity beats any sentence about pretty mountains or school spirit. The readers know their own campus. Prove you do too, with one or two precise details rather than a brochure summary.

03Honesty about uncertainty. This is one of the rare prompts that openly welcomes undecided applicants. If you genuinely don't know your major, CU Boulder rewards a thoughtful 'here's how I'm exploring' answer over a faked certainty. Direction matters more than a final answer.

04Economy. At 250 words, every sentence has to earn its place. CU Boulder rewards writers who can be vivid and concrete fast. A tight, specific answer reads as more mature than a padded one.

Essay prompts for 2026-2027

1 prompt for CU Boulder, each broken down with annotated examples.

Why this major + why CU Boulder250 words

What do you hope to study, and why, at CU Boulder? Or if you don't know quite yet, think about your studies so far, extracurricular/after-school activities, jobs, volunteering, future goals or anything else that has shaped your interests.

See all 1 prompt and get a read

Your chance

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Add your GPA, test scores, and profile to estimate your odds at CU Boulder and build a balanced list.

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Deadlines

Early Action deadlineNov 15

Early Action decision byFeb 1

Regular Decision deadlineJan 15

Regular decision byApr 1

Cost

Sticker price$36,862

Avg net after aid$20,580

Meets full needPartial

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Explore CU Boulder

How to get inAcceptance rate, the GPA and SAT profile, and what CU Boulder weighs most Supplemental essays1 prompt, each broken down with annotated examples Cost & financial aidAverage $20,580/yr after aid · net price by income + calculator InterviewDoes CU Boulder interview? Format, tips, and practice The CU Boulder Reader ProScore your draft against CU Boulder's exact prompts

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CU Boulder appears in

Test-optional colleges Colleges that no longer consider legacy Public universities with the biggest in-state advantage The most selective colleges Accessible colleges with high acceptance rates

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CU Boulder FAQ

What is CU Boulder's acceptance rate?

CU Boulder admits a large share of applicants (recent cycles land near 79%), but a high acceptance rate does not mean the essay is filler. Admission to popular majors like engineering, business, and computer science is more competitive than the campus-wide rate suggests, and your 250-word answer is where you make the case for the specific program you want. Treat it as the highest-leverage paragraph in your file. At CU Boulder, a strong application essay and a well-balanced school list matter alongside your grades and test scores.

What supplemental essays does CU Boulder require?

CU Boulder requires 1 supplemental essay on its application. On EssayLens each prompt is broken down with annotated examples, and you can get a free admissions-style read of your draft against the exact prompt.

How much does CU Boulder cost?

CU Boulder's published sticker price is about $36,862 per year, but the average family pays $20,580 after financial aid. Your net price depends on your family income; use the calculator to estimate yours.

Does CU Boulder require SAT or ACT scores?

CU Boulder is test-optional: you can apply without SAT or ACT scores, and strong scores are just one factor among many when you do submit them.

When are CU Boulder's application deadlines?

CU Boulder's application deadlines are Early Action deadline Nov 15; Early Action decision by Feb 1; Regular Decision deadline Jan 15; Regular decision by Apr 1. Add CU Boulder to your plan on EssayLens to track its deadlines automatically.

Campus photo via Wikipedia.

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