Altrincham Grammar School for Girls
Altrincham, Cheshire, North West · WA14 2NL
Every pupil at Altrincham Grammar School for Girls secures at least a grade 5 in English and Maths, a result that places this Trafford selective school among the strongest performers nationally. With roughly 1,384 girls on roll against a capacity of 1,370, the school is full and slightly over its planned numbers, a reflection of sustained demand. Ofsted judged it Outstanding across every category at its most recent inspection, from quality of education to sixth form. Around a quarter of pupils speak English as an additional language, pointing to a diverse intake drawn from across the area.
1,384
Pupils
Outstanding
Ofsted
204
Places (PAN)
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Open in Google Maps ↗Overview & data
- Gender
- Girls
- Type
- state grammar school
- Pupils
- 1,384
- Pupil:teacher ratio
- 17.4
- Location
- Altrincham, Cheshire, North West
- Website
- http://www.aggs.trafford.sch.uk/
Entrance & admissions
- Consortium
- Trafford Grammar School Consortium
- Exam board
- GL Assessment
- Subjects tested
- Maths, Non-Verbal Reasoning, Verbal Reasoning
- Places (PAN)
- 204
- Entry age
- 11
Key dates· 2027 entry
Registration opens
23 April 2026
Registration closesNext
19 June 2026
Exam date
14 September 2026
Application deadline
19 June 2026
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Latest results
Attainment 8
80.6
National average 46.9
GCSE grade 5+ (English & Maths)
100%
National average 47%
Teaching & academics
The headline figures are exceptional: an average Attainment 8 of 80.6 sits well above the national average of 46.9, and the 100% grade 5+ rate in English and Maths leaves no doubt about academic expectations. Ofsted rated quality of education Outstanding, and the sixth form earned the same judgement. A pupil-to-teacher ratio of about 17.4 is typical for a large school of this kind. Families considering it should expect a genuinely demanding, results-driven environment.
Learning support & SEN
- SEN support
- 5.2%
- EHC plans
- 0.14%
- English as additional language
- 25.4%
- Free school meals
- 5.3%
Ethos & heritage
- Boarding
- No
Inspection reports
- Ofsted overall
- Outstanding
- Quality of education
- Outstanding
- Behaviour & attitudes
- Outstanding
- Last inspected
- 11 October 2022
The last word
A consistently Outstanding girls' grammar where strong results are the norm rather than the exception. Entry is competitive and places are limited to 204 a year, so thorough 11+ preparation matters.
The Passmate verdict
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Altrincham Grammar School for Girls 11+: frequently asked questions
Where is Altrincham Grammar School for Girls located?
Altrincham Grammar School for Girls is located at Cavendish Road, Bowdon, Altrincham, WA14 2NL.
What type of school is Altrincham Grammar School for Girls?
Altrincham Grammar School for Girls is a state grammar school in North West.
What subjects does Altrincham Grammar School for Girls test in the 11+?
Altrincham Grammar School for Girls tests Maths, Non-Verbal Reasoning and Verbal Reasoning at 11+.
Which exam board does Altrincham Grammar School for Girls use for the 11+?
Altrincham Grammar School for Girls's 11+ uses GL Assessment.
When is the Altrincham Grammar School for Girls 11+ exam?
For the 2027 entry, the Altrincham Grammar School for Girls 11+ exam is on 14 September 2026.
How do I apply to Altrincham Grammar School for Girls?
For 2027 entry, registration opens on 23 April 2026, registration closes on 19 June 2026 and the application deadline is 19 June 2026.
Which consortium does Altrincham Grammar School for Girls belong to?
Altrincham Grammar School for Girls is part of the Trafford Grammar School Consortium consortium.
How many places does Altrincham Grammar School for Girls offer?
Altrincham Grammar School for Girls has a published admission number of 204 places.
How many pupils attend Altrincham Grammar School for Girls?
Altrincham Grammar School for Girls has approximately 1,384 pupils on roll.
What is Altrincham Grammar School for Girls's Ofsted rating?
Altrincham Grammar School for Girls was rated "Outstanding" by Ofsted at its inspection on 11 October 2022.
Compiled from public data. Last checked June 2026.