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UC San Diego

University of California, San Diego

Four Personal Insight Questions, 350 words each, no "Why UC San Diego," test-blind. Here is how to make them specific.

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Essays required

4 of 8 PIQs

Word limit

350 each

Supplement type

UC Personal Insight Questions

Testing policy

Test-blind

What UC San Diego rewards

UC San Diego does not have its own supplemental essay. Instead, you answer the UC Personal Insight Questions (PIQs): you pick 4 of 8 prompts and write up to 350 words for each. The same answers go to every UC campus you apply to, so there is no "Why UC San Diego" essay and no place to name-drop Geisel Library or your future college (Revelle, Sixth, Seventh, and so on). UC San Diego is test-blind, which means SAT and ACT scores are not read at all. Your grades, your activities, and these four short answers carry the file.

Because the PIQs are shared, the work is not about flattering UC San Diego. It is about choosing four prompts that, together, show four different sides of you with no overlap. Think of them as four windows into the same house, not four photos of the same room. The 350-word ceiling is short, so every answer needs one clear focus, real detail, and a sense of how you think.

01Specificity over polish. UC readers move fast through enormous files and reward concrete detail. A named tool, a real conversation, a number, a smell. They are not grading prose style. They are looking for evidence that the thing you describe actually happened to you and that you understood it.
02Range across the four. The strongest applications use the four PIQs to cover four distinct territories: maybe leadership, an academic spark, a community contribution, and a personal challenge. If two of your essays could swap their conclusions, you are wasting a window. Plan the set, not just each piece.
03Reflection, not just narration. UC San Diego practices comprehensive review and wants to see growth and self-awareness. A good PIQ spends real estate on what you learned or changed, not only on what happened. The 'so what' matters as much as the story.
04Initiative and follow-through. As a major research university, UC San Diego values students who pursue interests on their own and stick with things over time. Prompts about leadership, talent, and academic interest all reward sustained effort over a single dramatic moment.

Essay prompts for 2026-2027

4 prompts for UC San Diego, each broken down with annotated examples.

Leadership (PIQ 1)350 words max

Describe an example of your leadership experience in which you have positively influenced others, helped resolve disputes or contributed to group efforts over time.

Academic interest (PIQ 6)350 words max

Think about an academic subject that inspires you. Describe how you have furthered this interest inside and/or outside of the classroom.

Community contribution (PIQ 7)350 words max

What have you done to make your school or your community a better place?

Strong candidate (PIQ 8)350 words max

Beyond what has already been shared in your application, what do you believe makes you a strong candidate for admissions to the University of California?

See all 4 prompts and get a read

Your chance

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Add your GPA, test scores, and profile to estimate your odds at UC San Diego and build a balanced list.

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Deadlines

Application opensAug 1
Filing period beginsOct 1
Application deadlineNov 30
Decisions releaseBy late March

Cost

Sticker price$42,474
Avg net after aid$19,500
Meets full needPartial
Read my essay for UC San Diego
Explore UC San Diego
How to get inAcceptance rate, the GPA and SAT profile, and what UC San Diego weighs most Supplemental essays4 prompts, each broken down with annotated examples Cost & financial aidAverage $19,500/yr after aid · net price by income + calculator InterviewDoes UC San Diego interview? Format, tips, and practice The UC San Diego Reader ProScore your draft against UC San Diego's exact prompts
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UC San Diego FAQ

What is UC San Diego's acceptance rate?

~28% (Fall 2025 first-year cycle). At UC San Diego, a strong application essay and a well-balanced school list matter alongside your grades and test scores.

What supplemental essays does UC San Diego require?

UC San Diego requires 4 supplemental essays 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 UC San Diego cost?

UC San Diego's published sticker price is about $42,474 per year, but the average family pays $19,500 after financial aid. Your net price depends on your family income; use the calculator to estimate yours.

Does UC San Diego require SAT or ACT scores?

UC San Diego is test-blind: it does not consider SAT or ACT scores at all, even if you submit them.

When are UC San Diego's application deadlines?

UC San Diego's application deadlines are Application opens Aug 1; Filing period begins Oct 1; Application deadline Nov 30; Decisions release By late March. Add UC San Diego to your plan on EssayLens to track its deadlines automatically.

Campus photo via Wikipedia.

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