Process
UCAS vs Common App — what are the differences for international students applying to both the UK and US?
They are not two versions of the same form — they reward fundamentally different things, so applying to both means writing two separate sets of materials, not recycling one. UCAS (UK) lets you apply to up to five courses with ONE personal statement sent to all of them; it is course- and subject-specific, leans on predicted grades plus a teacher reference, and runs on a single main deadline in mid-January (mid-October for Oxford, Cambridge, and most medicine). The Common App (US) lets you apply to up to 20 colleges with ONE main essay PLUS a separate supplement for almost every college; it is holistic — essays, extracurriculars, recommendations, and (often test-optional) scores all count — with varied deadlines (Early Decision, Early Action, Regular Decision) and a per-college application fee. UCAS charges one flat low fee; the Common App charges per college, so cost scales with how many you target.
The mechanics map onto two different philosophies. UCAS asks you to commit to a subject up front: you pick a course, your statement argues why you are right for that academic field, and offers are built around grades. The Common App asks who you are: the main essay is a personal narrative, and the per-college supplements probe fit, values, and 'why us'. That is why the single biggest mistake families make is treating the two as interchangeable — a UK personal statement pasted into a US application reads as flat and impersonal, and a US-style personal narrative submitted to UCAS looks unfocused to an admissions tutor who wants subject depth. Plan for two genuinely separate bodies of writing from the start.
Be honest about the practical trade-offs before you commit to both. Doing both well roughly doubles the workload — different essays, different recommenders' framing, and two deadline calendars that do not line up (UCAS clusters on one date; US deadlines fan out across the autumn and winter). Cost differs too: UCAS is a single modest fee regardless of choices, while Common App fees stack per college and can add up quickly across a long list (fee waivers exist for those who qualify). BrightKey takes no payments from schools, universities, or agencies — our honest line is that applying to both is entirely doable and often smart for keeping options open, but only if you budget the extra time and writing up front rather than discovering it in December. Always confirm the current year's exact deadlines and fees on the official UCAS and Common App sites, because both move.
Reviewed by Priscilla Han. BrightKey is independent and takes no payment from schools or universities. Editorial standards.