Isleworth and Syon School for Boys
Secondary · Hounslow · TW7 5LJ · URN 137940
Exam results, in full
Every figure below comes straight from the Department for Education performance tables. We show the coverage we hold, how the school compares with its local area and with England, and which part of the score each figure feeds, so you can see exactly how the ranking was built.
Key stage 4 results
GCSE outcomes at the end of Year 11, so they describe a secondary school.
Attainment 8 score
The average grade across eight qualifications, including English and maths.
43.1
Hounslow 45.91England 46.12.8 below the area average of 45.9
Overall standards
Progress 8 score
Progress from the same key stage 2 starting points, where 0 is average.
Withheld
Progress from starting points
Grade 5 or above in English and maths
38.3%
Hounslow 47%England 45.9%8.7 percentage points below the area average of 47
Academic stretch
Grade 4 or above in English and maths
54.5%
Hounslow 61.8%7.3 percentage points below the area average of 61.8
Overall standards
EBacc average point score
3.7
Hounslow 4.14England 4.07In line with the area average of 4.1
Academic stretch
Achieved the EBacc at grade 5 or above
3%
Hounslow 22.9%England 17.6%19.9 percentage points below the area average of 22.9
Academic stretch
Entered the EBacc subjects
6.6%
Hounslow 46.8%40.2 percentage points below the area average of 46.8
Context only, not scored
Disadvantaged pupils in the cohort
30.5%
Hounslow 31.2%0.7 percentage points below the area average of 31.2
Context only, not scored
Pupils in the results cohort
167
Hounslow 11551.6 above the area average of 115.4
Context only, not scored
| Measure | This school | Against Hounslow | Against national | Feeds |
|---|---|---|---|---|
| Attainment 8 scoreThe average grade across eight qualifications, including English and maths. | 43.1 Hounslow 45.91England 46.1 | 2.8 below the area average of 45.9 | 3 below the national figure of 46.1 | Overall standards |
| Progress 8 scoreProgress from the same key stage 2 starting points, where 0 is average. | Withheld | No local comparison | No national comparison | Progress from starting points |
| Grade 5 or above in English and maths | 38.3% Hounslow 47%England 45.9% | 8.7 percentage points below the area average of 47 | 7.6 percentage points below the national figure of 45.9 | Academic stretch |
| Grade 4 or above in English and maths | 54.5% Hounslow 61.8% | 7.3 percentage points below the area average of 61.8 | No national comparison | Overall standards |
| EBacc average point score | 3.7 Hounslow 4.14England 4.07 | In line with the area average of 4.1 | In line with the national figure of 4.07 | Academic stretch |
| Achieved the EBacc at grade 5 or above | 3% Hounslow 22.9%England 17.6% | 19.9 percentage points below the area average of 22.9 | 14.6 percentage points below the national figure of 17.6 | Academic stretch |
| Entered the EBacc subjects | 6.6% Hounslow 46.8% | 40.2 percentage points below the area average of 46.8 | No national comparison | Context only, not scored |
| Disadvantaged pupils in the cohort | 30.5% Hounslow 31.2% | 0.7 percentage points below the area average of 31.2 | No national comparison | Context only, not scored |
| Pupils in the results cohort | 167 Hounslow 115 | 51.6 above the area average of 115.4 | No national comparison | Context only, not scored |
Withheld figures are suppressed at source to protect small cohorts. Figures marked not published are ones the department no longer publishes for any school. Source: DfE performance tables, Open Government Licence v3.0.
Local authority average class size
Area benchmarkHounslow · State-funded schools · 2025/26
- Secondary classes
- 21.9 pupils per class
This is the council-area average, not this school’s class size. It is not used in your scorecard ranking.
Source: DfE school census · 2025/26Published figures
- English as an additional language
- 57.8% of pupils
- Eligible for free school meals
- 27.8% of pupils
- Pupils on SEN support
- 12.6% of pupils
- Pupils per adult, including teaching assistants
- 10.3pupils per adult
- Pupils per teacher (2025/26 staff census)
- 13.7pupils per teacher
- Teachers who stayed the following year (3-year average)
- 84.6% of teachers
Data last refreshed 2026-10-12. Source: DfE and Ofsted open data, licensed under the Open Government Licence v3.0.
Where it is
Distances are straight-line from the centre of your outward postcode, not a walking or driving route, and never a catchment or admissions prediction.
Nearby secondary schools
Common questions about Isleworth and Syon School for Boys
- What is the latest Ofsted judgement?
- Ofsted rated Isleworth and Syon School for Boys Good at its inspection on 14/11/2023.
- Where is the school and which authority runs it?
- Isleworth and Syon School for Boys is a secondary school in Hounslow, postcode TW7 5LJ (URN 137940).
- How does it compare with other local schools?
- Build a free scorecard to rank Isleworth and Syon School for Boys against nearby schools using your own priorities for results, attendance, distance and intake, with the source figures shown behind every number.
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