College Essay Grader

Get an instant score for your college essay, see where your draft stands, and find weak spots to fix before you submit.

Grades your essay using real admissions rubrics and data

Pinpoints weak spots, vague language & missing elements

Instant scoring, your first essay is completely free

Get Started For Free

Students who used LumiSource have gotten into all the Top 25 colleges.

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Exact Criteria

Instant Essay Grading

Grade your college essay in seconds and see how strong your draft is before you submit. Our college essay grader gives you a clear benchmark, score breakdown, and the weak spots holding your application back.

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Instant college essay grade with a full score breakdown
Admissions Data

Rubric-Based Scoring

Our college essay scorer evaluates your draft against admissions-style criteria. Get a clear grade across key categories like clarity, originality, introspection, and overall application readiness from a system trained on 10,000+ real admissions essays.

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College essay scored against an admissions rubric
Weak Spot Detection

Targeted Suggestions to Improve

Alongside your grade, you'll receive targeted suggestions to raise your score. Whether it's structure, flow, specificity, or content, our essay checker and college essay analyzer show exactly where your draft is losing points.

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Targeted suggestions to improve a college essay

Why the Smartest Applicants Use Our Free Grader

We built LumiSource to give smart applicants an unfair advantage. If you're not using it then you're already behind.

4.6x more likely to get in

Students who used Lumi were 4.6x more likely to get accepted to their top choice — Stanford, Harvard, etc.
(Yes, we actually tracked the data.)

You only get one shot

Essays can make or break your app, and there are no do-overs. Smart applicants make sure theirs hit the mark.
LumiSource is how they do it.

The best way to avoid "what if."

The worst part isn't getting rejected, it's wondering if one better draft could've changed everything.
Don't leave it to chance.

Ready to Find Out Your Score?

If you don’t know what’s wrong, you can’t fix it. Our grader shows you exactly what to improve, instantly.

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Supports Every College Essay Type

Use LumiSource as a Common App essay grader, personal statement grader, or supplemental essay grader for every draft in your application (updated for the 2026-2027 cycle):

Want a full free review too? Get a full AI college essay review here.

Common App Essay

Grade your personal statement or main Common Application essay across all prompts and topics in the 2026-2027 cycle.

Supplemental Essay Grader for Every Prompt Type

...and many more types supported

"Why Us?" Essays

School-specific essays explaining your interest in particular colleges and universities.

"Why Major?" Essays

Academic interest essays explaining your passion for your intended field of study.

Community Essays

Essays about how you'll fit into and contribute to the campus community, your connection to communities, and cultural engagement.

Activity & Extracurricular

Essays about your extracurricular activities, demonstrated impact, leadership initiative, and concrete achievements.

Diversity, Identity & Values

Essays about identity, diversity, personal values, and unique perspectives you bring to campus.

Abstract & Creative

Creative writing prompts, abstract thinking exercises, and unique supplemental essays that showcase creativity.

How Our Grader Works

Get your essay rated, checked, and scored in three simple steps. Our free college essay checker gives you an instant grade and clear suggestions before you submit.

1

Upload Your Essay

Paste your college essay into our free essay checker. Whether you're working on your Common App essay or supplemental college essays, this is the fastest place to start.

2

Get Your Score Instantly

Our college essay rater analyzes your essay in seconds using admissions-style criteria. See your score, category breakdown, and what is costing you points.

3

Fix Weak Spots

Use the grader's suggestions to fix weak spots, then check your college essay again before deadlines.

Frequently Asked Questions

Have any more questions? Contact our support team to get what you need.

info@lumisource.io

Being a good writer isn't the same as writing a successful college essay. Admissions officers aren't just checking your grammar, they're scanning for specific signals, patterns, and story elements that show you're exactly what their school wants. Most students, even strong writers, miss the mark because they don't know what to aim for. LumiSource does. We've analyzed thousands of accepted essays and built our evaluation system around the exact patterns admissions officers are trained to look for, the subtle cues most students miss entirely, the ones that subtly say, "admit this one." Top applicants use LumiSource not just to make their essays sound good, but to make sure they actually work.

Yes, and way more than you think. Every year, tens of thousands of students apply with perfect GPAs, top test scores, and stacked resumes, and still get rejected. Why? Because numbers don't make decisions, people do. And the essays are the only part of your application that shows who you are beyond the stats. Admissions officers are skimming thousands of applications. If your essays don't immediately make a case for you, you're out. One forgettable essay can erase four years of hard work, and it happens every year.

Your friend isn't deciding who gets into Stanford. And your teacher isn't reading essays side-by-side with thousands of other top applicants. LumiSource is built to think like an admissions officer, trained to spot the gaps, signals, and red flags that actually affect your chances. This isn't about getting compliments. It's about getting in.

LumiSource does way more than just essay grading. While our essay score and feedback are what most students upgrade for, the platform also guides you through the full college application journey, from building your college list to tracking deadlines, organizing recommendations, and submitting on time. It's like having a personalized application hub to make sure nothing slips through the cracks. Whether you're just starting or deep in the process, LumiSource helps you save time, stay in control, and reduce the stress of managing everything alone, all in one place.

Your essays or application data will never be shared, published, or sold. If you would like to delete your account or information, contact us and we will do so immediately.