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Thinking about applying to Altrincham Grammar School for Boys? Find out everything you need to know about admissions and how to prepare your child for success in the 11 plus.
Key information about Altrincham Grammar School for Boys
Address: Marlborough Road, Altrincham, England WA14 2RW, United Kingdom
Number of pupils: 1,300+
Admissions contact: [email protected]
Number of places in Year 7: 202
11+ exam: Trafford 11 plus
Catchment area: Yes
Dates for your diary
Thursday 24th April 2025: Trafford 11 plus registration opens at midday
Thursday 8th May 2025: Altrincham Grammar School for Boys open evening
Friday 20th June 2025: Trafford 11 plus registration closes at midday
Thursday 4th September 2025: final exam details are sent to registered families by this date
Monday 15th September 2025: Trafford 11 plus exam
Mid-October 2025: parents receive Trafford 11 plus results
Friday 31st October 2025: national deadline to apply for secondary school places
Monday 2nd March 2026: secondary school national offers day
Dates can vary, so always check with your target schools!
About Altrincham Grammar School for Boys
Altrincham Grammar School for Boys (AGSB) is a high-achieving selective grammar school located in Trafford, Greater Manchester. With a long-standing reputation for academic excellence, AGSB offers a broad and balanced curriculum that nurtures curiosity, ambition, and a lifelong love of learning.
The school admits boys from Year 7 onwards following success in the Trafford Grammar Schools Consortium 11 plus exam. Places are highly sought after, and competition is strong. AGSB prioritises students who live within the school’s defined catchment area, with some places available for those living further afield.
Alongside its strong academic focus, AGSB is known for its inclusive and supportive school environment. Pupils are encouraged to develop into well-rounded individuals through an extensive co-curricular programme that includes music, sport, languages, and leadership opportunities.
With excellent GCSE and A level results year on year, many AGSB leavers go on to study at top universities and pursue successful careers across a range of industries.
Altrincham Grammar School for Boys is ideal for families seeking a nurturing yet academically ambitious environment where boys are challenged, supported, and inspired to reach their full potential.
How to apply to Altrincham Grammar School for Boys
Altrincham Grammar School for Boys is a selective school. This means that your child will need to take the 11 plus exam to be eligible for a place.
Altrincham Grammar School for Boys is a member of the Trafford Grammar Schools Consortium, along with four other grammar schools in the Trafford area. All five grammar schools use the same 11 plus exam. This means that your child will only have to take the exam once, regardless of how many schools in the Consortium you are applying to.
Registration for the Trafford 11 plus opens on Thursday 24th April 2025 and closes on Friday 20th June. The exam will take place on Monday 15th September 2025 and you’ll receive your child’s results in mid-October. You can then use these results to decide whether to apply for a place at Altrincham Grammar School for Boys.
To apply, you’ll need to name the school as one of your preferred schools on the secondary school common application form. This will be available on your home council website from early September and must be submitted by 31st October 2025.
Remember – passing the 11 plus doesn’t guarantee that your child will be allocated a place at your preferred school. Many grammar schools are often oversubscribed with qualified children. Schools and their admissions authorities work through admissions criteria to prioritise children for places. We’ve included the admissions criteria for Altrincham Grammar School for Boys below.
What subjects are on the entrance exam?
Children applying to Altrincham Grammar School for Boys take the Trafford 11 plus. This consists of two one-hour papers. Your child will take both papers on Monday 15th September, with a short break in-between.
The papers are entirely multiple-choice and consist of questions in:
Maths: based on the Key Stage 2 national curriculum
Verbal reasoning: solving problems with written information. This also includes some reading comprehension
Non-verbal reasoning: solving problem with visual information, such as shapes, diagrams and pictures
Guide to the Trafford Grammar Schools 11 plus
Find out everything you need to know in our complete guide to the Trafford 11 plus. Plus, get access to free 11 plus resources to help your child feel confident for their exam!
How does place allocation work at Altrincham Grammar School for Boys?
After the 11 plus, your child’s marks are added together to create a raw score. This is then converted into an age-standardised score to take into account your child’s age in years and months at the time of taking the test. The qualifying mark for grammar schools in the Trafford Consortium is usually at least 324 – and sometimes 334.
If the number of children who have met the qualifying standard for entry to the school exceeds the number of places available, Altrincham Grammar School for Boys applies oversubscription criteria. Children are prioritised for places in the following order:
Group 1: Looked-After or Previously Looked-After Children whose total score is 324 and above. These children are automatically qualified for admission.
Group 2: up to 20 children who get free school meals, live within the priority admission area and attend a Trafford state primary school, who score 324 and above. Qualified for admission subject to oversubscription criteria.
Group 3: up to 10 children who get free school meals and attend a Trafford state primary school, who score 324 and above. Qualified for admission subject to oversubscription criteria.
Group 4: children who live within the priority admission area who score 334 and above. Qualified for admission subject to oversubscription criteria.
Group 5: all other children who score 334 and above, plus children who get free school meals but do not fall into groups 2 and 3, and score 324 and above. Qualified for admission subject to oversubscription criteria.
Group 6: all other applicants are not qualified for admission.
The priority admission area for Altrincham Grammar School for Boys is postal addresses of WA13/WA14/WA15/M33 and M23 postcodes which lie within the Trafford Local Authority.
How can I help my child prepare for the Trafford 11 plus?
The 11 plus exam is designed to be challenging. Here are our top tips to help your child prepare for the Trafford 11 plus in September 2025.
Bitesize learning
It’s important to build a good knowledge base before the 11 plus. Using a ‘little and often’ approach when learning is key – our brains encode new information more effectively when dealing with smaller ‘chunks’ of information. For children aged 10–11, child psychologists recommend regular study sessions of 20–30 minutes.
Atom Home makes learning a more enjoyable process for your child. They'll explore exciting worlds full of interactive questions, earning coins to spend in the Atom shop. Atom adapts to your child, showing them questions at just the right level of difficulty to keep them motivated.
Read widely
11 plus exams test your child’s ability to analyse and interpret written information. Regular reading is a great way to help your child build these skills.
Encourage them to read books from different genres and by a diverse range of authors. Increasing the variety of your child’s reading will help them understand different styles, tones and purposes. Meanwhile, reading a little every day will help widen their vocabulary, sharpen their analytical thinking, and enhance their imagination.
Refine exam technique
When your child feels confident with the topics they’ve learnt in Year 5, they’ll be ready to put their knowledge to the test.
Practice tests can help your child develop problem-solving skills and build confidence working under test conditions. They’re also a great way to consolidate learning and highlight knowledge gaps for further improvement.
With Atom Home, you'll unlock online mock tests and printable practice papers. Enjoy automatic marking and progress tracking with the online tests, and help your child get familiar with the real exam experience with printable practice papers.
Celebrate progress
Setting regular, achievable goals and celebrating your child’s progress – no matter how big or small – will help keep their motivation high.
Make sure to encourage a growth mindset. This means celebrating effort, as well as achievement! When your child makes mistakes or struggles to understand a particular topic, help them understand that they’ll improve through practice. Regular praise will help your child improve their resilience when tackling new and challenging topics.
Trafford 11+ practice papers and online learning
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