If Aylesbury High School is on your child's list, the smartest preparation is shaped around how this school actually selects — the Buckinghamshire Secondary Transfer Test — rather than generic 11+ advice pulled from another county. Aylesbury High is a girls' grammar, and like every state grammar in Buckinghamshire it takes its intake from a single county-wide test sat in mid-September of Year 6. Get the format, the subjects and the timeline right, and the rest is steady, well-aimed practice.
About Aylesbury High School
Aylesbury High School (AHS) is the girls' grammar in the town of Aylesbury, sharing campus traditions and long-standing links with neighbouring Aylesbury Grammar School. It admits girls at Year 7 and runs a mixed sixth form. Selection is by the county's shared entrance test, so a place depends on qualifying in the Buckinghamshire Secondary Transfer Test and then meeting the school's published admissions criteria, which typically weigh catchment, siblings and distance once a child has qualified.
- Location: Aylesbury, Buckinghamshire
- Intake: Girls (mixed sixth form)
- Founded: 1959
- Type: Foundation grammar school
- Admissions test: Buckinghamshire Secondary Transfer Test (GL Assessment)
Buckinghamshire runs 13 state grammar schools across the county on this single shared test, so the paper your daughter sits for Aylesbury High is the same one used for the other grammars — you simply rank your preferred schools on the local authority application form. You can read our full school profile for more, and always confirm the current year's dates and policy on the school's own website: ahs.bucks.sch.uk. For how AHS sits alongside the county's other selective schools, see our grammar school directory.
How selection works at Aylesbury High School
The Buckinghamshire Secondary Transfer Test is provided by GL Assessment, the board that now dominates 11+ testing across most of England. In Buckinghamshire the test is delivered as two papers on a single test day:
- Paper 1 — English & Verbal Reasoning: comprehension and language skills alongside word-based reasoning that leans heavily on vocabulary.
- Paper 2 — Maths, Non-verbal & Spatial Reasoning: Key Stage 2 arithmetic and problem solving combined with pattern, shape and spatial questions.
GL papers are typically multiple-choice, tightly timed at roughly a minute a question, and sat without a calculator, with answers marked on a separate answer sheet. Each paper is split into separately-timed sub-sections, so pace and quick switching between question styles matter as much as raw ability.
The test is age-standardised: your child's raw marks are converted to a standardised score that adjusts for their exact age in months, so a summer-born child is not disadvantaged against an older classmate born in the autumn. Buckinghamshire's qualifying standardised score has historically been 121 — a child scoring at or above that threshold is deemed to have qualified for a grammar place, subject to the admissions criteria. Qualifying is not the same as securing a seat: because Aylesbury High is popular, meeting the threshold puts your daughter in the pool, after which catchment and distance decide allocation. Never treat a qualifying score as a guaranteed offer, and always confirm the current threshold and specification with the school and the Buckinghamshire local authority, as arrangements can be updated year to year.
What to practise for this test
Because the Bucks test spans English, maths, verbal, non-verbal and spatial reasoning under tight per-section timings, your practice should mirror that breadth: mix subjects inside every session, read widely, and train the ability to switch quickly between question styles.
- English & verbal reasoning: comprehension, spelling and vocabulary are the biggest levers. Drill closest-meaning and opposite pairs, analogies, odd-one-out, hidden words, letter and number sequences, and simple codes — and read every day, because a broad vocabulary quietly lifts the whole verbal score.
- Mathematics: secure Key Stage 2 number, fractions, percentages, ratio, time and worded problems, all done at pace without a calculator. Fluent times tables to 12×12 speed up everything else.
- Non-verbal & spatial reasoning: series, matrices, analogies, odd-one-out, reflections, rotations, cube nets and folding — pattern-spotting that improves quickly with regular short bursts.
Build each skill with our free worksheet library, then rehearse under exam conditions with full-length mock papers. In the final weeks, switch to format-matched centre-specific mocks so the multiple-choice layout, answer sheet and timing feel familiar. For a deeper look at how GL papers are built, our GL paper guide breaks down every question type. Everything on Quest Arena is free, and no account is needed to start practising.
A realistic preparation timeline
- Year 4 into the summer: daily reading for pleasure and times tables to 12×12. No formal papers yet — just build the foundations.
- Year 5 autumn: begin 15–20 minutes of daily topic practice with the free worksheets, rotating maths, verbal, non-verbal and spatial reasoning.
- Year 5 spring (register!): Buckinghamshire registration for the test typically opens in the spring or early summer of Year 5 — check the school site and our key dates page, and note the county deadline carefully.
- Year 5 summer into early Year 6: one full timed mock a week; review the errors far more carefully than the score.
- Final six weeks before mid-September: move to centre-specific papers in this test's GL format and taper — short, confident sessions, not cramming.
On the day and after
By September of Year 6 the aim is calm familiarity, not last-minute learning. A child who has sat ten timed mocks at the kitchen table walks into the hall treating it as the eleventh. On the morning, keep things light: a proper breakfast, arrive with time to spare, and remind her of two habits she has already practised — keep moving (never let one hard question eat the clock) and guess and mark anything unfinished, because on a multiple-choice paper a blank scores nothing while a sensible guess might land. Because answers go on a separate sheet, she should also check regularly that her answer number matches the question number. Afterwards, results for the Buckinghamshire test are usually issued in October, before the secondary application deadline, so you can rank Aylesbury High on the common application form with the outcome known. Whatever the result, praise the effort and the months of steady work — that is what actually built the skills.
Frequently asked questions
What score does my child need for Aylesbury High School?
Buckinghamshire's qualifying standardised score has historically been 121, applied across the county's grammar schools. Qualifying means your daughter is eligible for a grammar place; the actual offer then depends on the school's catchment and distance criteria. Confirm the current threshold with the school and local authority.
Which exam board does the Aylesbury High test use?
The Buckinghamshire Secondary Transfer Test is provided by GL Assessment. It is sat as two multiple-choice papers: Paper 1 covers English and verbal reasoning, and Paper 2 covers maths together with non-verbal and spatial reasoning.
When is the test and when do we register?
The test is sat in mid-September at the start of Year 6, with registration typically opening in the spring or early summer of Year 5. Results usually follow in October. Always verify the exact dates on the school's website and our key dates page each year.