OFSTED
14 November 2023
Latest graded inspection
Latest published outcome
Good
OEIF
Quality of education
Good
Behaviour & attitudes
Good
Personal development
Good
Leadership & management
Good
INSPECTION HISTORY
Previous Ofsted activity
12 May 2022
Ungraded inspection
School remains Good (Concerns) - S5 Next
Published
21 September 2022
SCHOOL DETAILS
About this school
School type
Academy converter
Phase
Secondary
Gender
Boys
Religious character
—
Local authority
Hounslow
Trust
ISLEWORTH AND SYON SCHOOL FOR BOYS
Census date
15 January 2026
PUPIL PROFILE
2025/26
School community
Latest published pupil characteristics for 2025/26.
Total pupils
951
951 full-time ·
0 part-time
Female pupils
13
1.4% of pupils
Male pupils
938
98.6% of pupils
Free school meals
Pupils eligible for free school meals.
3.2 pts
above England
School
28.0%
Hounslow
23.0%
London
26.3%
England
24.8%
English as an additional language
Pupils whose first language is not English.
37.5 pts
above England
School
57.8%
Hounslow
53.9%
London
39.2%
England
20.3%
Young carers
Pupils recorded as young carers.
1.0 pts
below England
School
0.0%
Hounslow
0.6%
London
0.5%
England
1.0%
Ethnicity
Largest recorded pupil groups.
Indian
21.9%
208
White British
16.3%
155
Any other ethnic group
13.6%
129
Pakistani
12.6%
120
Any other White background
12.3%
117
African
7.9%
75
Council, regional and national comparisons
are pupil-weighted using published school
census counts.
ADDITIONAL NEEDS
2025/26
Special educational needs
Pupils receiving SEN support or with an education, health and care plan.
Pupils with SEN
15.1%
144 of
951 pupils
5.7 pts
below England
England:
20.8%
England
14.8%
2.2 pts
below
England
6.0%
3.5 pts
below
PRIMARY NEEDS
Pupils
Most common identified needs
SEN comparisons are pupil-weighted using published 2025/26 Department for Education school-level data. Primary needs combine pupils receiving SEN support and pupils with EHC plans.
ACADEMIC PERFORMANCE
2024/25
Key stage 4 outcomes
Published Department for Education results for 2024/25.
ATTAINMENT 8
Average attainment score
43.1
3.9 pts
above England
Latest published: 0.09 · 2023/24
Comparisons are averages of published school-level results for open schools. They are not pupil-weighted official local authority attainment rates.
ATTENDANCE & ABSENCE
2024/25
Attendance profile
Published Department for Education absence data for 2024/25. Lower absence rates are generally better.
ABSENCE RATE
7.55%
Overall absence
Percentage of possible sessions missed.
1.33 pts
higher than
England
School
7.55%
Hounslow
6.47%
London
6.38%
England
6.22%
ABSENCE RATE
23.47%
Persistent absence
Pupils missing 10% or more of sessions.
7.65 pts
higher than
England
School
23.47%
Hounslow
17.78%
London
17.60%
England
15.82%
ABSENCE RATE
1.70%
Severe absence
Pupils missing 50% or more of sessions.
0.10 pts
lower than
England
School
1.70%
Hounslow
1.39%
London
1.67%
England
1.80%
Council, regional and national
comparisons are averages of published
school-level percentages rather than
pupil-weighted official absence rates.
HOW DOES IT COMPARE?
School context
Comparison with open secondary schools.
CAPACITY
Capacity utilisation
97.1%
4.8 pts
above England
Isleworth and Syon School for Boys
97.1%
Hounslow
91.4%
London
91.3%
England
92.3%
Benchmarks use open schools in the
same phase. Capacity utilisation is
calculated from published pupil and
capacity figures.