Oxford Mathematics and Computer Science interview 2026: dates, questions, format and success rate

Oxford interviews 37% of Mathematics and Computer Science applicants, online, and offers a place to 44% of those interviewed.

Figures from ox.ac.uk, checked 18 October 2026.

At a glance

When: 14-17 Dec 2026 (Additional 16-17 Dec 2026)
Format: Panel interview, Online (Usually two interviewers)
How many: Mathematics: 1-2 at the first-choice college + at least 1 at another college
Length: Mathematics: about 25 min each
Who's interviewed: All shortlisted applicants (206 of 564 last cycle)
Before it: TMUA admissions test

Before: TMUA admissions test
Interviews: Mathematics: 1-2 at the first-choice college + at least 1 at another college, 14-17 Dec 2026, online
Each one: Mathematics: about 25 min each, with Usually two interviewers
In the room: Mathematics: mathematical problems and definitions worked through aloud
They assess: "At the interview we will explore how you tackle unfamiliar problems and new ideas", in the university's own words

Applied: 564. Interviewed: 206. Offered: 90 (2025-26 admissions cycle (department report, Jan 2026)).

Official sample question: Why have we excluded \( s = 1\) from the domain?
Official sample question: Suppose now that we want to generate an increasing tree on \(n\) vertices picked uniformly at random, i.e. pick each of the possible trees with equal probability. Can you give an algorithm to do this?
Official sample question: Suppose now that \(n\) is even. How many of these can be split by removing a single edge into a tree labelled only by odd numbers and a tree labelled only by even numbers?

Every question reported for this course is open with a free account.

14-17 Dec 2026.

Online, as a panel interview.

Mathematics: about 25 min each. Mathematics: 1-2 at the first-choice college + at least 1 at another college.

37%, and 44% of those interviewed got an offer.

TMUA admissions test.