Westminster School
London, United Kingdom. Practice coming soon.
Independent schools · Test: ISEB Common Pre-Test, then own tests
An independent London school that admits at Year 9 (13+). Candidates sit the ISEB Common Pre-Tests in the autumn of Year 6, and those who do well are invited to further maths and English tests and an interview.
Key facts
checked 18 October 2026
- Selective entry
Interview invitations go in mid-December only to candidates who performed well in the pre-interview tests; the school receives around 500 applications and invites around 250 for interview.
- Entry point
Year 9 (13+). Registration opens on 1 October of Year 5 and closes on 30 September of Year 6.
- Test used
Online ISEB Common Pre-Tests in maths, English and reasoning, taken at the prep school in October or November of Year 6; scores are adjusted for age.
At a glance
Last checked 18 October 2026. Every fact is from the school’s own pages unless marked Reported by prep providers or Our view
- Selective entry
Interview invitations go in mid-December only to candidates who performed well in the pre-interview tests; the school receives around 500 applications and invites around 250 for interview.
- Entry point
Year 9 (13+). Registration opens on 1 October of Year 5 and closes on 30 September of Year 6.
- Test used
Online ISEB Common Pre-Tests in maths, English and reasoning, taken at the prep school in October or November of Year 6; scores are adjusted for age.
- Assessment and dates
Further 40-minute maths and English tests in early January of Year 6, then a separate interview in January or February; offers by the end of February.
- Places
Around 125 children join in Year 9 each year.
The assessment.
What the school says
Westminster uses the online ISEB Common Pre-Tests before interview, then sets its own 40-minute maths and English tests for those invited.
Online ISEB Common Pre-Tests in maths, English and reasoning, taken in October or November of Year 6.
Further 40-minute maths and English tests in early January of Year 6.
Tell me when it opens.
The school’s own pages
Always check dates and requirements with Westminster School directly. These links open the school’s site in a new tab.
Mockplan links to schools; we never ask a school to link to us, and nothing here implies endorsement. Facts last checked 18 October 2026.