Isleworth and Syon School for Boys

About Isleworth and Syon School for Boys

Isleworth and Syon School for Boys sits within the Hounslow local authority, where it ranks 18th out of 19 secondary schools on Progress 8, placing it in the bottom tier of the borough. For context, the top-performing peers in the area are St Mark's Catholic School, Gunnersbury Catholic School, and Reach Academy Feltham, all of which achieve significantly higher Progress 8 scores. The school is a boys-only state secondary with a mixed sixth form, and it operates as a non-faith school with no religious character. It is heavily oversubscribed: for 2025/26 entry, there were 285 applications for 100 places, with 55 first-preference offers made. That gives an oversubscription ratio of 2.85, suggesting strong local demand despite the modest ranking. The nearest school rated Outstanding by Ofsted is Nishkam School West London, just 0.8 km away, which may be a factor for families weighing options within the same catchment.

Academically, Isleworth and Syon holds a Good rating from its most recent Ofsted inspection in November 2023, with all five graded categories — quality of education, behaviour and attitudes, personal development, leadership and management, and sixth-form provision — all rated Good. Its Progress 8 score of 0.09 is below the Hounslow local authority average of 0.44, though it sits within the national 'Average' band. The Attainment 8 score is 48.2, and 63.8% of pupils achieved a grade 4 or above in English and maths (the basics 94 measure). At KS5, the school’s value-added score is exactly 0, meaning students leave sixth form with results broadly in line with expectations. The average A-level grade is a B-, with 20% of entries achieving AAB or higher. The EBacc entry rate is low at 16.2%, and the EBacc average point score is 4.31, which is below the national average.

The school offers a solid range of facilities including a library, gymnasium, science labs, sports hall, ICT suite, playing fields, and a dedicated sixth form centre. Sports on offer include martial arts, basketball, rounders, tennis, athletics, and hockey, while extracurricular clubs cover drama, science club, coding, newspaper, Young Enterprise, debate, and gardening. SEND provision is broad, covering specific learning difficulties like dyslexia, moderate learning difficulty, social emotional and mental health needs, speech language and communication needs, physical disability, autistic spectrum disorder, and other difficulties. With 25.8% of pupils eligible for free school meals, the school serves a relatively disadvantaged intake. It will suit families who prioritise a single-sex boys’ environment through to sixth form, who value a wide range of clubs and SEND support, and who are comfortable with a school that is popular locally but sits below the borough average on academic progress.

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