The short version
Above-average GCSE results. At capacity. Rated Outstanding by Ofsted (2014).
- GCSE results are above the national average (Attainment 8: 50.9 vs national 43.8)
- Rated Outstanding by Ofsted in 2014
- The school is at capacity (106% full)
Performance
DfE published dataOfficial DfE Results
Attainment 8
Average points across 8 GCSE subjects
50.9
7.1 vs nationalEnglish & maths (grade 5+)
Strong pass in both core subjects
57%
15.3pp vs nationalEBacc entry
Academic subjects including a language
70%
A-Level Average
Mean grade across subjects
C+
A-Level Value Added
Progress vs expected
+0.11
Band 2Source: Department for Education Performance Tables 2024-25
Post-GCSE Destinations
These figures track pupils 6 months after leaving. Source: DfE destination measures.
Sustained destination
In education, employment or training
94%
Continuing education
Sixth form, FE college, or school
90%
Apprenticeships
Work combined with training
2%
Employment
Directly into work
2%
Not sustained
Not in education, employment or training
4%
Based on 261 leavers
Source: DfE Destination Measures 2024/25
Attendance
In practice: Pupils miss about 16 days per year on average — nearly a month of school.
22% of pupils miss 10% or more of school
4% of pupils miss half or more of school sessions
Source: DfE School Census
Staffing
On average, 19 pupils share each qualified teacher, but with teaching assistants there's 1 adult for every 13 pupils.
Staff breakdown
Plus 133 other support staff
Source: DfE School Workforce Census
School details
Published dataProfile
- Type
- Academy converter
- Phase
- Secondary
- Ages
- 11–18
- Intake
- Mixed
Numbers
- Pupils
- 1,712
- Capacity
- 100%
- FSM
- 12.2%
- Admissions
- Non-selective
Governance
- Local authority
- Wiltshire
- Trust
- EXCALIBUR ACADEMIES TRUST
- Head
- Mr Alan Henderson (Principal)
Provisions
- Sixth form
- Yes
Inspection record
Official linksSchool inspection
3 official reports linked on this page, including 2 earlier reports.
Previous reports
Location
Granham Hill, Marlborough, Wiltshire, SN8 4AX
Rural setting
Schools nearby
Within 2.5 kmQuestions parents ask
Is St John's Marlborough a selective school?
No. St John's Marlborough is non-selective, so admission does not depend on an entrance exam.
What is St John's Marlborough's Ofsted rating?
St John's Marlborough was rated Outstanding at its most recent inspection in February 2025. Full reports are linked on this page.
How many pupils attend St John's Marlborough?
St John's Marlborough currently has 1,712 pupils on roll, according to the latest Department for Education data.
What ages does St John's Marlborough take?
St John's Marlborough caters for pupils aged 11 to 18. It is classified as a secondary school.
Where is St John's Marlborough?
St John's Marlborough is in Marlborough, SN8 4AX, in the Wiltshire local authority area. The map on this page shows the exact location and nearby schools.
Does St John's Marlborough have a sixth form?
Yes, St John's Marlborough has a sixth form, so pupils can continue to A-levels or equivalent qualifications without changing school.
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