St John's Marlborough
Granham Hill, Marlborough, SN8 4AX
- Phase
- Secondary
- School type
- Academy converter
- Ages
- 11 to 18
- Gender
- Mixed
- Religious character
- None
- Trust
- EXCALIBUR ACADEMIES TRUST
- Principal
- Mr Alan Henderson
- Admissions policy
- Non-selective
- Sponsor
- Excalibur Academies Trust
- SEN provision
- SpLD - Specific Learning Difficulty
- Constituency
- East Wiltshire
- Setting
- Larger rural: Nearer to a major town or city
- Capacity
- 1,620
- Pupils on roll
- 1,692
- URN
- 138623
- Local authority
- Wiltshire
- Website
- School website
- Telephone
- 01672516156
About this school
St John's Marlborough is a secondary academy in Marlborough. It teaches children aged 11 to 18 and has 1,692 pupils on roll.
You can read Ofsted's latest judgement for the school below. Where the Department for Education has published them, its results and pupil characteristics appear below. Numbers and a report only go so far, so visit in person before you apply.
Ofsted judgement
Ofsted did not give an overall grade. Between September 2024 and September 2025 inspections graded each area of a school's work without a single overall judgement, ahead of the move to report cards. How Ofsted report cards work
- Quality of education
- Good
- Behaviour and attitudes
- Good
- Personal development
- Good
- Leadership and management
- Good
- Sixth form
- Good
- Safeguarding
- Effective
Exam results
Key stage 4 (GCSEs)
| Measure | 2022/23 | 2023/24 | 2024/25 |
|---|---|---|---|
| Pupils at the end of key stage 4 | 261 | 257 | 259 |
| Attainment 8 score | 51.1 | 53.4 | 50.9 |
| Progress 8 score | +0.08 -0.09 to +0.25 | +0.36 +0.18 to +0.54 | - |
| Grade 5 or above in English and maths | 54% | 59.1% | 57.1% |
| Grade 4 or above in English and maths | 74% | 81.3% | 72.2% |
| Entered the English Baccalaureate | 62% | 70.4% | 69.9% |
| English Baccalaureate average point score | 4.7 | 5.0 | 4.8 |
Progress 8 is paused nationally for the 2024/25 and 2025/26 school years. Those pupils sat no key stage 2 tests during the Covid pandemic, so there is no starting point to measure progress from. A blank figure here is not missing school data.
Trends over time
How St John's Marlborough has moved over recent years against the local and national picture. Every figure is shown in the table beneath its chart.
| Year | This school | Wiltshire average | England average |
|---|---|---|---|
| 2022/23 | 51.1 | 38.8 | 39.8 |
| 2023/24 | 53.4 | 37.1 | 39.5 |
| 2024/25 | 50.9 | 36.5 | 39 |
Department for Education KS4 performance data, published school results.
| Year | This school | England average |
|---|---|---|
| 2022/23 | 9.9% | 6.8% |
| 2023/24 | 9.6% | 6.6% |
| 2024/25 | 8.6% | 6.2% |
Department for Education pupil absence data.
| Year | This school |
|---|---|
| 2022/23 | 1,728 |
| 2023/24 | 1,726 |
| 2024/25 | 1,712 |
School census, spring count each academic year.
How St John's Marlborough compares
St John's Marlborough ranked 6th of 26 secondary schools in Wiltshire for Attainment 8 in 2024/25. Its Attainment 8 score was higher than 78% of England secondary schools that published results in 2024/25. Its absence rate was lower than 13% of England schools in 2024/25.
| School | Attainment 8 (2024/25) | Absence | FSM (6 years) | Pupils | Distance |
|---|---|---|---|---|---|
| This school | 50.9 | 8.6% | 12.5% | 1,692 | — |
| Pewsey Vale School | — | 13% | 32.5% | 330 | 5.6 miles |
| The Ridgeway School & Sixth Form College | 53.5 | 7.6% | 16.9% | 1,616 | 8.3 miles |
| John O'Gaunt School | 32 | 10.3% | 31.1% | 439 | 9.2 miles |
| The Commonweal School | 46.3 | 9.5% | 18.8% | 1,442 | 9.6 miles |
| The Deanery CofE Academy | 46.6 | 9% | 21.9% | 670 | 9.7 miles |
Results reflect each school's cohort as much as its teaching, and free school meals share is context, not a judgement. Small gaps between neighbouring schools are rarely meaningful on their own.
School context
From the 2024/25 school census and absence figures.
- Free school meals (last 6 years)
- 12.5%
- English as an additional language
- 4.6%
- Overall absence
- 8.57%
- Persistent absence
- 22.77%
Location
Nearby schools
-
Pewsey Vale School5.6 miles
Secondary · Pewsey
-
The Ridgeway School & Sixth Form College8.3 miles
Secondary · Swindon
-
John O'Gaunt School9.2 miles
Secondary · Hungerford
-
The Commonweal School9.6 miles
Secondary · Swindon
-
The Deanery CofE Academy9.7 miles
Secondary · Swindon
Other schools in Marlborough
- Baydon St Nicholas Church of England Primary School Primary
- Burbage Primary School Primary
- Collingbourne Church of England Primary School Primary
- Great Bedwyn Church of England School Primary
- Kennet Valley Church of England Aided Primary School Primary
- Marlborough St Mary's CE Primary School Primary
- Oare Church of England Primary School Primary
- Ogbourne CofE Primary School Primary
- Preshute Church of England Primary School Primary
- Ramsbury Primary School Primary
- St Katharine's CofE Primary School Primary
- St Michael's CofE Aided Primary Primary
Common questions
- What year groups does St John's Marlborough teach?
- St John's Marlborough teaches children aged 11 to 18. It is a secondary school in Marlborough.
- Who is the principal of St John's Marlborough?
- The principal of St John's Marlborough is Mr Alan Henderson, as recorded in the Department for Education's register of schools.
- When was St John's Marlborough last inspected?
- Ofsted has inspected St John's Marlborough, and its latest judgement is set out in the inspection section on this page, with the framework and the date it was made.
- How big is St John's Marlborough?
- St John's Marlborough has 1,692 pupils on roll, teaching children aged 11 to 18.
- Is St John's Marlborough full?
- St John's Marlborough has capacity for 1,620 pupils and 1,692 on roll (104%), so it is at or above its published capacity. Places are allocated through the local authority's admissions process, so capacity alone does not tell you whether a place is available.
- Is St John's Marlborough a faith school?
- No. St John's Marlborough has no designated religious character.
- Is St John's Marlborough a selective school?
- No. St John's Marlborough is recorded as non-selective in the schools register.
- Who runs St John's Marlborough?
- St John's Marlborough is part of EXCALIBUR ACADEMIES TRUST. Schools in a trust or federation share leadership and governance, but each keeps its own inspection record and results.
- What SEN provision does St John's Marlborough have?
- The schools register lists St John's Marlborough's special educational needs provision as: SpLD - Specific Learning Difficulty. Contact the school to discuss how it would support a particular child.
- How have St John's Marlborough's results changed over recent years?
- Its Attainment 8 score was 51.1 in 2022/23 and 50.9 in 2024/25. The year-by-year figures, alongside local and national averages, are charted in the trends section on this page.
- How does St John's Marlborough rank locally?
- St John's Marlborough ranked 6th of 26 secondary schools in Wiltshire for Attainment 8. Its Attainment 8 score was higher than 78% of England secondary schools that published results in 2024/25. Its absence rate was lower than 13% of England schools in 2024/25. Results reflect each cohort as well as the school, so treat rankings as a starting point.
- What is St John's Marlborough's absence rate?
- St John's Marlborough's overall absence rate is 8.6% in the latest published census, above the England average of 6.2%.
- What are St John's Marlborough's exam results?
- Where the Department for Education has published them, St John's Marlborough's key stage results are shown in the results section on this page, with the last three years so you can see the trend rather than a single year.
School details come from the Department for Education's Get Information About Schools register. Inspection outcomes come from Ofsted, and exam results from the Department for Education's school performance service. This page was last updated on 1 July 2026.