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Dr Challoner's Grammar School

Amersham, United Kingdom. Practice coming soon.

A boys' grammar school with 180 Year 7 places. Boys need the qualifying score in the Buckinghamshire Secondary Transfer Test, provided by GL Assessment for all thirteen county grammar schools; for September 2027 entry it was sat in September 2026.

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Key facts

checked 17 October 2026

Assessment and dates

Tests on 8 and 10 September 2026 (out-of-county pupils may sit 9 and 11 September); results on 9 October 2026.

Source: Dr Challoner's Grammar School - Year 7 Admission (opens in a new tab), read 17 October 2026

Assessment and dates

Registration window 1 May to 2 June 2026 for children not at a state-funded Buckinghamshire primary; children at those schools are registered automatically.

Source: Guide to moving up to secondary school | Buckinghamshire Council (opens in a new tab), read 17 October 2026

Places

Published admission number 180 boys in Year 7.

Source: Admissions Policy 2027 (PDF) (opens in a new tab), read 17 October 2026

All 8 facts at a glance

At a glance

Every fact is from the school’s own pages unless marked Reported by prep providers or Our view

Selective entry

Applicants need a qualifying score of 121 in the Buckinghamshire Secondary Transfer Test, or to be deemed qualified on review or appeal.

Source: Admissions Policy 2027 (PDF) (opens in a new tab), read 17 October 2026

Entry point

Year 7 (11+) for boys; Year 12 with 45 external places; late transfer also possible.

Source: Admissions Policy 2027 (PDF) (opens in a new tab), read 17 October 2026

Test used

Buckinghamshire Secondary Transfer Test, provided by GL Assessment, covering verbal, mathematical and non-verbal problems; run by the council for all thirteen Buckinghamshire grammar schools.

Source: Guide to grammar schools and the Secondary Transfer Test | Buckinghamshire Council (opens in a new tab), read 17 October 2026

Assessment and dates

Tests on 8 and 10 September 2026 (out-of-county pupils may sit 9 and 11 September); results on 9 October 2026.

Source: Dr Challoner's Grammar School - Year 7 Admission (opens in a new tab), read 17 October 2026

Assessment and dates

Registration window 1 May to 2 June 2026 for children not at a state-funded Buckinghamshire primary; children at those schools are registered automatically.

Source: Guide to moving up to secondary school | Buckinghamshire Council (opens in a new tab), read 17 October 2026

Places

Published admission number 180 boys in Year 7.

Source: Admissions Policy 2027 (PDF) (opens in a new tab), read 17 October 2026

Regulator

Latest Ofsted inspection 5 and 6 November 2024 was ungraded: the school kept the standards of its previous Outstanding judgement.

Source: Dr Challoner's Grammar School - Open - Find an Inspection Report - Ofsted (opens in a new tab), read 17 October 2026

Regulator

Get Information About Schools lists it as an academy converter with a selective admissions policy, URN 136419.

Source: Dr Challoner's Grammar School - GOV.UK (opens in a new tab), read 17 October 2026

The assessment.

What the school itself says comes first. What preparation providers report is kept apart and labelled, because the two do not always agree.

What the school says

  • Buckinghamshire Secondary Transfer Test, provided by GL Assessment, covering verbal, mathematical and non-verbal problems; run by the council for all thirteen Buckinghamshire grammar schools.

  • Buckinghamshire Secondary Transfer Test, provided by GL Assessment, covering verbal, mathematical and non-verbal problems; run by the council for all thirteen Buckinghamshire grammar schools.

  • Tests on 8 and 10 September 2026 (out-of-county pupils may sit 9 and 11 September); results on 9 October 2026.

  • Registration window 1 May to 2 June 2026 for children not at a state-funded Buckinghamshire primary; children at those schools are registered automatically.

Source: Guide to grammar schools and the Secondary Transfer Test | Buckinghamshire Council (opens in a new tab), read 17 October 2026

Source: Dr Challoner's Grammar School - Year 7 Admission (opens in a new tab), read 17 October 2026

Source: Guide to moving up to secondary school | Buckinghamshire Council (opens in a new tab), read 17 October 2026

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The school’s own pages

Always check dates and requirements with Dr Challoner's Grammar School directly. These links open the school’s site in a new tab.

Independent practice. Not affiliated with, or endorsed by, Dubai College, any other school, GL Assessment, ISEB, Cambridge University Press & Assessment or any test publisher. School and test names describe only what the practice is for. Timings, question counts and formats are based on publicly reported information and are a practice guide only.

Mockplan links to schools; we never ask a school to link to us, and nothing here implies endorsement. Facts last checked 17 October 2026.

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