Burnham Grammar School
Slough, Buckinghamshire, South East · SL1 7HG
A large, oversubscribed grammar school in Slough, Burnham Grammar currently teaches around 1,271 pupils against a capacity of 1,078 - a sign of how keenly its places are sought. Selection at 11 is run through the Buckinghamshire Grammar Schools consortium, so families benefit from a shared, well-established admissions process. The intake is notably diverse, with more than a quarter of pupils speaking English as an additional language. With a pupil-to-teacher ratio of about 20.1, classes reflect the busy, full feel of a school operating beyond its nominal size.
1,271
Pupils
180
Places (PAN)
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Open in Google Maps ↗Overview & data
- Gender
- Mixed
- Type
- state grammar school
- Pupils
- 1,271
- Pupil:teacher ratio
- 20.1
- Location
- Slough, Buckinghamshire, South East
- Website
- www.burnhamgrammar.org.uk
Entrance & admissions
- Consortium
- The Buckinghamshire Grammar Schools
- Exam board
- GL Assessment
- Subjects tested
- Maths, Non-Verbal Reasoning, Verbal Reasoning
- Places (PAN)
- 180
- Entry age
- 11
Key dates· 2027 entry
Registration opens
1 May 2026
Registration closes
2 June 2026
Exam dateNext
10 September 2026
Application deadline
31 October 2026
Offers date
1 March 2027
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Latest results
Attainment 8
70.1
National average 46.9
GCSE grade 5+ (English & Maths)
94%
National average 47%
Teaching & academics
Results sit well above national norms: an average Attainment 8 score of 70.1 compares with a national figure of 46.9, and 94% of pupils secure grade 5 or above in English and Maths against a national 47%. These are the kind of outcomes that confirm the school's academic selectivity is matched by what happens in the classroom. Entry is assessed by GL Assessment papers in Maths, Verbal Reasoning and Non-Verbal Reasoning, so preparation should cover all three confidently.
Learning support & SEN
- SEN support
- 6.45%
- EHC plans
- 0.63%
- English as additional language
- 28.1%
- Free school meals
- 12.9%
Ethos & heritage
- Boarding
- No
The last word
A strongly performing, heavily oversubscribed mixed grammar where high attainment and a genuinely diverse pupil body go hand in hand. Families should prepare thoroughly for the GL consortium assessment, as competition for its 180 places is real.
The Passmate verdict
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Burnham Grammar School 11+: frequently asked questions
Where is Burnham Grammar School located?
Burnham Grammar School is located at Hogfair Lane, Burnham, Slough, SL1 7HG.
What type of school is Burnham Grammar School?
Burnham Grammar School is a state grammar school in South East.
What subjects does Burnham Grammar School test in the 11+?
Burnham Grammar School tests Maths, Non-Verbal Reasoning and Verbal Reasoning at 11+.
Which exam board does Burnham Grammar School use for the 11+?
Burnham Grammar School's 11+ uses GL Assessment.
When is the Burnham Grammar School 11+ exam?
For the 2027 entry, the Burnham Grammar School 11+ exam is on 10 September 2026.
How do I apply to Burnham Grammar School?
For 2027 entry, registration opens on 1 May 2026, registration closes on 2 June 2026 and the application deadline is 31 October 2026.
When are Burnham Grammar School 11+ offers released?
For 2027 entry, Burnham Grammar School releases offers on 1 March 2027.
Which consortium does Burnham Grammar School belong to?
Burnham Grammar School is part of the The Buckinghamshire Grammar Schools consortium.
How many places does Burnham Grammar School offer?
Burnham Grammar School has a published admission number of 180 places.
How many pupils attend Burnham Grammar School?
Burnham Grammar School has approximately 1,271 pupils on roll.
Compiled from public data. Last checked June 2026.