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ETH ZurichSupplemental Essays

All 1 required prompt, taken apart one by one: what each is really asking, plus annotated example essays, so you can see how to do it well.

eApply portal (direct to ETH, not Common App or UCAS)
Application route
None required; motivation letters are explicitly not considered
Bachelor personal statement
ETH entrance examination (reduced or comprehensive) for many applicants
Admissions test
No admissions interview for bachelor entry
Interview

Deadlines Bachelor application window (eApply) 1 December 2025 to 31 March 2026, 23:59 CET · Entrance exam registration (if required) 15 September to 15 October · Next entrance exam session 18 to 28 January 2027 Admit rate about 27% overall Prompts verified from ETH Zurich’s official requirements ↗

ETH Zurich does not work like the US Common App, and for bachelor admission it does not ask for an essay at all. Admission to an ETH bachelor program is decided on your school-leaving certificate and, for most international applicants, the ETH entrance examination, a real subject exam in mathematics, physics, chemistry and more that is conducted in German. The application goes through ETH's own eApply portal, not a centralized service, and ETH is blunt about extras: the official instructions say to not upload any letters of motivation, portfolios, distinctions or reference letters, because they "are not relevant for admission to Bachelor's studies and will not be considered."

So if you came here hoping to polish a personal statement for an ETH bachelor seat, the most useful thing we can tell you is to put that energy into your grades, your German (the bachelor is taught in German, with C1-level proficiency expected), and entrance-exam prep instead. Where your writing genuinely counts at ETH is later and adjacent: the statement of purpose and motivation letter for ETH master's programs, and the motivation essays for scholarships such as the Excellence Scholarship. This page coaches that writing, the kind ETH actually reads, in an honest, ETH-specific way.

By the numbers · Figures are approximate and drawn from ETH Zurich and aggregator data; ETH determines whether you need the entrance exam only after reviewing your complete eApply application, so treat exam status as individual to your certificate.
about 27%Overall acceptance rate
about 20% of the cohortInternational bachelor students
German, with C1-level proficiency expectedMain teaching language (bachelor)
What ETH Zurich rewards
Evidence over narrative

ETH is an engineering and science school to its core. When it does read your writing, for a master's or scholarship, it wants concrete proof: courses you aced, a thesis topic, a lab or internship, a tool you built. Your childhood spark for the stars is not the point; the orbital-mechanics project you finished last semester is.

Fit with a specific group or program

ETH rewards applicants who name the exact program, professor, or research group they want and explain why their background plugs in. Generic admiration for ETH's ranking reads as filler. Specificity reads as a candidate who has actually looked at the faculty page.

Technical maturity and honesty

ETH values applicants who can describe what they do not yet know and how they plan to close the gap. A clear-eyed account of your weak module and your plan to strengthen it beats a flawless self-portrait that no admissions reader believes.

Quantitative grounding

Whatever you claim, anchor it in numbers or a result: a dataset size, a measured improvement, a grade, a competition placement. ETH readers are scientists; they trust statements that could be checked.

Strategy, read this first

For the ETH bachelor, the single most useful move is to stop writing and start preparing the things that are actually scored: secure your school certificate, confirm in eApply whether you need the reduced or comprehensive entrance examination, and build German to exam standard, because the exam itself is in German and assumes you know the subject vocabulary in that language. Many strong American applicants are surprised here, since a US high school diploma alone usually does not grant exam-free admission and AP or IB credentials are assessed case by case.

Where you do write, for a master's statement of purpose or a scholarship motivation letter, spend roughly 80% of the page on academic and technical substance. Lead with what you have done, tie it to a named ETH program or research group, and let one short, genuine sentence carry your motivation. Treat it as a research proposal in miniature, not a coming-of-age essay.

01
Motivation letter / statement of purpose Typically about one page, roughly 400 to 600 words; check the specific program or scholarship instructions
The statement of purpose and motivation letter for ETH master's programs and scholarships
What it’s really asking

ETH wants to know why you, specifically, want this exact program, and whether your academic and technical background has prepared you to succeed in it. This is the one piece of free writing ETH genuinely reads, so it should function like a compact research pitch: your relevant training, what you have built or studied, and the precise direction you want to pursue at ETH.

Why they ask it

ETH bachelor admission is decided by certificates and the entrance exam, so this prompt matters most at the master's and scholarship stage, where readers are professors and program coordinators screening for fit and capability. They are deciding whether you can handle a rigorous, often research-heavy program in their field, and whether your interests align with what the group actually does. A vague or story-driven letter signals poor fit; a specific, evidence-led one signals a candidate they can place.

Three ways in
Lead with the work

Open with the concrete thing you have already done in this field, a project, thesis, or internship, not with how long you have loved the subject.

Name the exact program

Name the precise ETH program and, ideally, a research group or course, then connect it to a problem you actually want to work on.

Show one honest gap

Be candid about one weakness and your plan to close it; technical maturity reads as credibility, not as a confession.

✕  Weak opening

“Ever since I was a child, I have been fascinated by the wonders of science and dreamed of studying at a world-class university.”

✓  Strong opening

“Last year I spent four months turning a noisy 12,000-row sensor dataset into a model that predicted bearing failure three days out, and I want to push that work further in ETH's reliability and risk group.”

✦ Annotated example · Robotics master's motivation. Written by EssayLens to teach, not a real applicant’s essay. Tap a highlighted line →
For my bachelor thesis I built a low-cost quadruped controller and tested it on uneven terrain, measuring a 31% drop in failed steps after I added a contact-estimation layer.1The work left me with a sharper question than I started with: how do these controllers generalize to terrain they were never trained on? That question points directly at the legged-robotics research at ETH, whose published work on learned locomotion is exactly the direction I want to build on.2My weaker area is formal control theory, so I have been working through a graduate optimization course this term to be ready for the program's mathematical core.3I am applying from the United States, but I have reached B2 German and am continuing toward C1 so I can take part fully in lab life in Zurich.4
  1. 1Opens with a finished, quantified project rather than a feeling. ETH readers trust a measured result they could verify.
  2. 2Names the specific ETH research area and ties it to the applicant's own open question, showing genuine fit rather than ranking-chasing.
  3. 3Admits one real gap and shows an active plan, which signals technical maturity instead of a too-perfect self-portrait.
  4. 4Addresses the international and language reality head on, reassuring readers on a concern they would otherwise raise themselves.
Stuck? Start here
  • What is the most concrete thing I have built, measured, or proven in this field, and what number describes its result?
  • Which exact ETH program, course, or research group fits the problem I want to work on, and what about it is specific to ETH?
  • What is one honest gap in my preparation, and what am I doing right now to close it?
Before you submit
  • Does roughly 80% of the letter cover academic and technical substance rather than personal narrative?
  • Have I named a specific ETH program or research group instead of praising ETH in general?
  • Have I addressed the German-language and international-applicant reality where relevant?

Mistakes that sink ETH Zurich essays

✕ Do not upload a motivation letter to a bachelor application

ETH says in plain terms that bachelor motivation letters will not be considered. Uploading one wastes your effort and signals you did not read the instructions. Save the writing for the master's stage or scholarships.

✕ Do not write a US-style personal essay

There is no Common App narrative here. Even where ETH reads a statement, the genre is a focused academic and research pitch, not a story about a formative hardship. Personal storytelling that never reaches your subject will not land.

✕ Do not ignore the German and exam reality

Treating ETH like an English-language, essay-driven US school is the classic mistake. The bachelor is taught in German and the entrance exam is in German. Plan for C1 German and exam content, not a portfolio.

✕ Do not stay generic about ETH

When you do write a statement, naming no specific group, course, or professor is the fastest way to look interchangeable. Show you have studied the actual program page.

ETH Zurich essay FAQ

Does ETH Zurich require an essay or personal statement for bachelor admission?

No. ETH bachelor admission is based on your school-leaving certificate and, for most international applicants, the ETH entrance examination. The official instructions say to not upload letters of motivation, portfolios, or distinctions, because they will not be considered. Save your writing for the master's stage or for scholarships.

What is the ETH Zurich personal statement, then?

For bachelor entry there isn't one. The writing that ETH actually reads is the statement of purpose or motivation letter for master's programs and scholarships such as the Excellence Scholarship. That document is an academic and research pitch, usually about one page, focused on what you have done and the exact program you want.

What is the word limit for an ETH motivation letter?

There is no single official limit, but the ETH master's and scholarship motivation letters are typically about one page, roughly 400 to 600 words. Always follow the length guidance on the specific program or scholarship page, since it overrides any general rule.

What are the ETH Zurich application deadlines for 2026 entry?

The bachelor application window in eApply runs from 1 December 2025 to 31 March 2026 at 23:59 CET. If you need the entrance exam, registration is 15 September to 15 October, and the next exam session is 18 to 28 January 2027, with that route starting studies in autumn 2027.

Do Americans apply to ETH Zurich through the Common App or UCAS?

No. There is no Common App or UCAS route. You apply directly through ETH's own eApply portal. A US high school diploma alone usually does not grant exam-free admission, so most American applicants should expect to sit the ETH entrance examination, which is conducted in German.

Is ETH Zurich's bachelor really taught in German?

Yes. All bachelor programs are taught in German, and you are expected to reach about C1 proficiency. The entrance exam is also in German and assumes you know the subject vocabulary in that language. English-taught options appear mainly at the master's level.

Prompts and facts verified against ETH Zurich, How to apply (non-Swiss certificate), ETH Zurich, ETH entrance examination, ETH Zurich, Admission prerequisites and ETH Zurich, Bachelor application overview (ETH Zurich, 2026 entry cycle). Supplements change yearly, re-verify each cycle.

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