Sir Henry Floyd Aylesbury Grammar School 11+ (11plus) Exam: The Complete Success Strategy | Math&Reason
- Oct 12, 2025
- 3 min read

Securing a place at Sir Henry Floyd Grammar School through the 11+ exam is one of the most sought-after educational goals for families in Aylesbury and across Buckinghamshire.This complete guide explains everything you need to know about the Henry Floyd Aylesbury 11+ (11plus) Exam, from the exam format and key dates to catchment information, preparation strategies, and application steps.
Table of Contents
1. Overview of the Sir Henry Floyd Aylesbury 11+ Exam
The Henry Floyd Aylesbury 11+ (11plus) Exam, officially called the Buckinghamshire Secondary Transfer Test (STT), determines entry into Sir Henry Floyd Grammar School—one of Buckinghamshire’s most prestigious co-educational grammar schools.
Located on Oxford Road, Aylesbury, the school consistently achieves top academic results, with 73% of students earning grades 9–7 in five or more GCSEs (2022 data).
2. Why Sir Henry Floyd Grammar School Stands Out
Sir Henry Floyd Grammar School is renowned for its:
Outstanding Ofsted rating
Co-educational environment (ages 11–18)
Strong academic focus and inclusive ethos
National reputation as one of the best state grammar schools in the UK
The curriculum promotes curiosity, independence, and leadership — preparing students not just for exams, but for lifelong success.
3. Sir Henry Floyd Aylesbury 11+ (11plus) Exam Format
The exam follows the GL Assessment format used across all thirteen Buckinghamshire grammar schools.
Exam Structure
Two papers – each lasting around 60 minutes
Multiple-choice format
Answers recorded on separate answer sheets
Subject Breakdown
Subject Area | Weighting | Skills Tested |
Verbal Skills | 50% | Reading comprehension, verbal reasoning, vocabulary, grammar, punctuation, spelling |
Mathematics | 25% | Arithmetic, problem solving, mental maths, fractions, percentages, algebra |
Non-Verbal Reasoning | 25% | Spatial reasoning, logic, patterns, sequences, symmetry, rotation |
4. Key Dates for the 2025 Sir Henry Floyd Aylesbury 11+ Exam
Event | Date |
Registration opens | Friday 2 May 2025 |
Registration closes | Friday 13 June 2025 |
Practice test | Tuesday 9 September 2025 |
Main exam | Thursday 11 September 2025 |
Results released | Friday 10 October 2025 |
Application deadline | Friday 31 October 2025 |
National Offer Day | Monday 2 March 2026 |
5. Admission Requirements & Pass Marks
To qualify for a place at Sir Henry Floyd Grammar School, students must achieve a standardised score of 121 or higher.Scores are adjusted for age to ensure fairness across all candidates.
6. Oversubscription and Catchment Criteria
When more students qualify than available places (180 for Year 7), the following criteria apply:
Looked-after and previously looked-after children
Children eligible for Free School Meals/Pupil Premium
Siblings of current students
Applicants within the catchment area
Distance from school (up to 13.216 miles in 2024)
Understanding your position in the catchment area can significantly influence your application strategy.
7. Effective Preparation Strategies
Partnering with experienced tutors can make a major difference.Math & Reason | Affordable 11+ tutor UK and Mock Tests offers tailored 11+ preparation designed specifically for Buckinghamshire grammar schools.
Their programmes include:
Targeted practice for GL Assessment formats
Regular performance assessments
Personalised learning plans
Full mock exams
Expert guidance on time management and exam techniques
8. Recommended Practice Resources
High-quality practice materials are essential.Math & Reason | Affordable 11+ tutor UK and Mock Tests replicate real exam conditions and cover:
Mathematics
Non-verbal reasoning
Regular timed sessions help improve speed, accuracy, and exam confidence.
9. Understanding the Competition
Only around 30% of candidates achieve the qualifying score each year.This highlights the importance of consistent, structured preparation using authentic resources.
10. Application Process Explained
For Buckinghamshire Primary Pupils
Automatically registered unless parents choose to opt out.
For Non-Buckinghamshire or Independent School Pupils
Must register manually via Buckinghamshire County Council.
Submit the Common Application Form (CAF) by 31 October 2025.
11. Life at Sir Henry Floyd Grammar School
Students enjoy a rich, well-rounded experience, including:
International Baccalaureate Diploma Programme
Duke of Edinburgh Awards
International trips (Spain, France, Germany)
Modern facilities – theatre, music studios, science labs
A six-house system promoting teamwork and belonging
12. Supporting Your Child’s Journey
The Henry Floyd Aylesbury 11plus exam is more than just a test, it’s the start of an educational journey. Math & Reason | Affordable 11+ tutor UK and Mock Tests supports families every step of the way, offering academic guidance and emotional reassurance to help students perform their best.
Final Takeaway
Success in the Henry Floyd Aylesbury 11+ (11plus) exam requires dedication, high-quality preparation, and expert support.With Math & Reason | Affordable 11+ tutor UK and Mock Tests tutoring, personalised learning plans, and proven resources, your child can confidently aim for a place at Sir Henry Floyd Grammar School.



