Isleworth and Syon School for Boys

Academy converter · Secondary school · Isleworth, Hounslow

TW7 5LJ

This page shows performance data only — admissions criteria and catchment areas are set by the school, its trust, or the local authority. Check the school’s own admissions page for eligibility.

2024–25 dataLast updated 19 May 2026

Composite score ?

53.9

Simplified comparison — how this is calculated. A higher score doesn’t mean a better school for every child.

#2,020

National rank

#388

In London

#15

In Hounslow

Top 64%

Nationally

Performance (KS4 GCSE)

Attainment 8 score ?

43.1

National avg ≈ 46

Progress 8 score ?

—

Why no data?

% achieving 9–5 in English & Maths ?

38%

% achieving 9–4 in English & Maths ?

54%

% EBacc grade 5+ ?

EBacc average points score

3.70

Attainment 8 (year-on-year) 48.2 → 43.1 ▼ 5.1 pts

School profile

Pupils on roll 1,021 % FSM ever-6 27.7% % EAL 60.4% Age range 11–18 Gender Boys Religious character

Official sources

Verify the latest information directly from government services. We refresh from DfE performance tables annually — Ofsted reports change more frequently.

Latest Ofsted report reports.ofsted.gov.uk DfE Compare School Performance compare-school-performance.service.gov.uk GIAS school details get-information-schools.service.gov.uk

Location

Nearby secondary schools

Nishkam School West London Osterley · 0.5 mi 78.0 Bolder Academy Isleworth · 0.6 mi 57.0 The Green School for Girls Isleworth · 0.7 mi 65.6 The Green School for Boys Isleworth · 0.8 mi 58.9 Gumley House RC Convent School, FCJ Isleworth · 0.9 mi 70.4 Lampton Academy Hounslow · 1.2 mi 65.6 Heston Community School Hounslow · 1.2 mi 62.0 Gunnersbury Catholic School Brentford · 1.4 mi 79.4