Dr Challoner's Grammar School

Dr Challoner's Grammar School in Amersham, Buckinghamshire uses GL Assessment (Buckinghamshire Secondary Transfer Test). The test is provided by GL Assessment and typically evaluates Mathematics, English comprehension and SPaG, Verbal Reasoning, and Non-Verbal/Spatial Reasoning using multiple-choice optical mark sheets.

Dr Challoner's Grammar School offers approximately 180 Year 7 places, with competition historically rated as High. Admissions criteria: Candidates must achieve a qualifying score (usually 121) in the Buckinghamshire Secondary Transfer Test.

Priority is given to boys residing in the school's designated catchment area. For state grammar applications, parents must ensure their permanent residence satisfies published local authority criteria before the 31st October Common Application Form (CAF) deadline.

Register for the test via the Buckinghamshire Council website and submit the Common Application Form. Key dates: Registration Opens: 1 May 2026; Registration Closes: 2 June 2026; 2026 Exam Date(s): Practice: 8 September 2026, Test: 10 September 2026; Results to Parents: 9 October 2026. Always consult the official school website for any annual adjustments.

Focus on: Familiarise with the GL format, covering verbal, non-verbal, and mathematical skills., Practice working under time pressure, as the test is fast-paced.. Preparation should begin in early Year 5 with disciplined 15-minute daily micro-practice, timed mock exams matching the GL Assessment (Buckinghamshire Secondary Transfer Test) format, and systematic mistake review using LuraPrep to eliminate repeat errors.