International School of London
139 Gunnersbury Avenue, London, W3 8LG
Independent school for ages 3–18 in London. Mixed intake.
International School of London is a mixed independent school in London, within Hounslow, for pupils aged 3 to 18. It has nursery classes, a sixth form, around 400 pupils and a non-selective admissions policy. Ofsted rated the school Good in February 2024, and its independent school standards were recorded as met.
The school says it offers the academic rigour of the International Baccalaureate curriculum for children aged 3 to 18, while also noting candidate status for the IB Career-related Programme, which does not guarantee authorisation. It describes a warm, welcoming community, personalised learning and an international approach intended to develop curious, confident and globally minded pupils.