California Institute of Technology
A small, intensely technical research institute in Southern California.
California Institute of Technology supplemental essays and deadlines
California Institute of Technology has 3 school-specific supplemental essays for the 2026-2027 cycle in our current record, with fresh source verification still pending. The next listed deadline is Restrictive Early Action on November 1, 2026.
- Supplement status
- required
- Application cycle
- 2026-2027
- Essay count
- 3
- Primary source
- Official source configured
Application deadlines
Supplemental essay prompts
- Supplement200 words2026-2027
At Caltech, we investigate the most challenging, fundamental problems in science and technology. Identify and describe two STEM areas in which you are interested — one academic and one outside traditional classroom learning — and tell us why they excite you.
Analyze a draft → - Supplement200 words2026-2027
Describe an academic experience, project, or class that has shaped how you approach STEM.
Analyze a draft → - Supplement200 words2026-2027
Caltech's ethic of respect and honesty is laid out in our Honor Code. What does it mean for you to be part of a community built on this foundation?
Analyze a draft →
How to approach California Institute of Technology's supplemental essays
Choose a role before you draft
Decide what this essay should add to the application: evidence, range, bridge, or a new window into your life. Avoid repeating the Common App essay in miniature.
Choose a role before you draft
Decide what this essay should add to the application: evidence, range, bridge, or a new window into your life. Avoid repeating the Common App essay in miniature.
Choose a role before you draft
Decide what this essay should add to the application: evidence, range, bridge, or a new window into your life. Avoid repeating the Common App essay in miniature.
What this page answers
California Institute of Technology is a technical institution in Pasadena, CA. Use the prompt list, deadline table, and source note together before deciding how much drafting time to reserve.
Essay workload
3 listed prompts, totaling 600 listed words with a highest single limit of 200 words. 1 asks for school-specific fit.
Admissions angle
With an acceptance rate around 3.1%, The safest essay strategy is to prove one clear trait with evidence, then make the school connection specific enough that it could not be sent unchanged elsewhere.
Use this as a blank structure for a California Institute of Technology supplement response, then replace every bracket with your own specifics.
- Open on [specific scene, object, problem, question, or conversation].
- Name the tension: [what you wanted], [what made it hard], and [what you tried].
- Show the evidence: [choice/action/constraint] that reveals your role in the application.
- Connect that trait to [program, community, lab, class, tradition, or value].
- End with the contribution you want to make at California Institute of Technology, not a compliment.
Frequently asked questions
How many supplemental essays does California Institute of Technology require?
California Institute of Technology has 3 supplemental essays listed for the 2026-2027 application cycle, in addition to the shared application essay.
Does California Institute of Technology accept the Common Application?
Yes — California Institute of Technology accepts the Common Application.
What is California Institute of Technology's acceptance rate?
California Institute of Technology's most recently reported acceptance rate is 3.1%.
When is California Institute of Technology's next application deadline?
California Institute of Technology's next listed application deadline is the Restrictive Early Action round on November 1, 2026.
What is California Institute of Technology's "At Caltech, we investigate the most…" prompt (#1, 200 words)?
At Caltech, we investigate the most challenging, fundamental problems in science and technology. Identify and describe two STEM areas in which you are interested — one academic and one outside traditional classroom learning — and tell us why they excite you.
What is California Institute of Technology's "Describe an academic experience, project, or…" prompt (#2, 200 words)?
Describe an academic experience, project, or class that has shaped how you approach STEM.
What is California Institute of Technology's "Caltech's ethic of respect and honesty…" prompt (#3, 200 words)?
Caltech's ethic of respect and honesty is laid out in our Honor Code. What does it mean for you to be part of a community built on this foundation?
Sources and verification
We prioritize California Institute of Technology's official admissions pages for school-specific prompts and deadlines, then use application-platform and federal sources as cross-checks. This record is labeled for the 2026-2027 cycle but still needs a fresh verification pass.
Review official source →