Thinking about applying to Altrincham Grammar School for Girls? 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 Girls
- Address: Cavendish Road, Altrincham, England WA14 2NJ, United Kingdom
- Number of pupils: 1,200+
- Admissions contact: [email protected]
- Number of places in Year 7: 204
- 11+ exam: Trafford 11 plus
- Catchment area: Yes
Dates for your diary
- Thursday 24th April 2025: Trafford 11 plus registration opens at midday
- Thursday 19th June 2025: Altrincham Grammar School for Girls 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 Girls
Altrincham Grammar School for Girls (AGGS) is one of the top-performing grammar schools in the country, offering an academically rich and empowering education for girls aged 11–18. Located in Trafford, Greater Manchester, AGGS is part of the Bright Futures Educational Trust and is celebrated for its inclusive ethos and commitment to excellence.
Entry into Year 7 is via the Trafford Grammar Schools Consortium 11 plus exam. The school is consistently oversubscribed, reflecting its strong reputation and outstanding academic outcomes. Priority is given to applicants living within the catchment area, although places may be available for out-of-area candidates.
AGGS offers a dynamic learning environment where students are encouraged to think critically, explore ideas, and develop confidence in their abilities. The school places a strong emphasis on equality, leadership, and personal growth, creating a culture where every student is supported to thrive.
Beyond the classroom, AGGS provides a wide range of enrichment opportunities, from debating and STEM clubs to performing arts and international trips.
With a strong track record of GCSE and A level success, AGGS prepares students not just for university, but for life – equipping them with the skills, knowledge, and self-belief to make a difference in the world.
How to apply to Altrincham Grammar School for Girls
Altrincham Grammar School for Girls 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 Girls 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 2025. 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 Girls.
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.
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 Girls below.
What subjects are on the entrance exam?
Children applying to Altrincham Grammar School for Girls 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!







