Skip to main content
All international schools in London

🇬🇧 London · IB curriculum

Best IB Schools in London for International Families

Top IB international schools in London include Marymount International School London, ACS International Schools (Cobham, Egham & Hillingdon), Halcyon London International School. BrightKey has evaluated 6 schools using verified public data.

Evaluation draws on BrightKey's 6-dimension school ratings and public data. School-reported placement is always flagged and never tiered. Our method.

IB·11-18·Day GBP 39,540/yr; full boarding GBP 66,990/yr (2026-27, incl. VAT)·Boarding

An intimate, all-girls Catholic IB school with a deep international identity and an ISI 'Excellent' track record.

American / IB·2-18 (Cobham); 3-18 (Egham, Hillingdon)·ACS Cobham 2026-2027 day tuition GBP 9,950-39,960/yr; 7-day boarding (Grades 8-12) up to GBP 69,060/yr inclusive·Boarding

A long-established American-and-IB group of three Greater London campuses, strongest for internationally mobile families seeking US-pathway and IB options under one operator.

IB·11-18·£41,040-£42,912/year incl. VAT (2026/27)

A young, small-by-design IB secondary school in central London with a distinctively innovation-led, tech-forward ethos and an IB Diploma average above the world mean.

IB·3-18·£24,630–£39,640/year (2026/2027, ages 3–17; figures incl. VAT where applicable)

A long-established, non-selective full-IB-continuum international school in West London whose genuine differentiator is an unusually deep mother-tongue and EAL programme — 24 home languages taught as part of the curriculum and a majority of leavers earning the bilingual IB Diploma.

IB·2-18·£6,724-£16,033 per term (2025/26 Early Childhood half-day to DP; 2026/27 DP up to £16,033)

A premium, fully IB-continuum international school in central London with strong published Diploma results and a highly international community, inspected by the ISI under its current standards-based framework.

American / IB·3-18·Day £15,600-£37,170/yr; boarding £69,650/yr (2026-27, inc. VAT)·Boarding

A long-established American international school on a green Surrey campus, pairing a US diploma and AP with the IB Diploma, and offering boarding from age 13.

Other curricula in London:

Weighing IB against A-Levels? Read our honest guide.