London · W3 8LG
ISL is a non-selective, coeducational day school in West London offering the International Baccalaureate curriculum (PYP, MYP, DP, and CP) from age 3 through 18. Currently a Candidate School pursuing full IB World School authorization, it positions itself as a progressive, internationally-minded institution emphasizing intercultural learning and personalised education. The school serves approximately 435 pupils and appeals to expat and globally-oriented families seeking an alternative to traditional UK independent schooling.
Who thrives here
Families seeking a holistic, internationally-minded education for globally mobile or expat children; pupils who thrive in collaborative, inquiry-based environments and benefit from mixed-ability, non-competitive settings. Well-suited to articulate, culturally curious learners who value breadth and intercultural understanding.
Percentiles within UK independent + grammar schools we track.
139 Gunnersbury Avenue
London
W3 8LG
Nearest stations
Day fees at International School of London are approximately £39,639 per year (2025/26).
International School of London admits pupils at 3+, 4+, 7+, 8+, 11+, 13+, 16+. Entry is assessed by Interview, Assessment. See the Admissions section above for open days and key dates.
International School of London is a day school in London and does not offer boarding.
Ofsted rated International School of London “Good” (2024).
Frequently praised
✓Inclusive, non-selective approach removes pressure and streaming; suits diverse learners
✓Genuine multilingual and intercultural ethos appeals to expat and globally-minded families
✓Inquiry-based, student-centred pedagogy develops agency and critical thinking beyond rote learning
✓IB curriculum offers coherent alternative pathway with global university recognition
Common concerns
!Candidate School status means no full IB authorization yet; regulatory uncertainty until inspection and accreditation complete
!No Ofsted inspection data available; new school without established track record or alumni outcomes data
!Lack of UK exam results (GCSEs/A-levels) may create concerns for families seeking traditional university prep or late-joining transfer
!Limited public information on bursaries, scholarships, and SEND provision relative to established competitors
!Reliance on online learning platforms and expat-heavy population may not suit families seeking traditional UK school culture