Good question. Here are 5 of the top international (high) schools in London (UK), especially strong for IB / global curriculum:
🌍 Top 5 International High Schools in London
- ICS London International School
- Offers IB (Middle Years + Diploma) + IGCSE.
- Very international student body (50+ nationalities).
- Secondary campus in central London.
- Halcyon London International School
- IB school for students aged 11–
- Focus on wellbeing, innovation, and student agency.
- Latest IB Diploma results available on their website.
- International School of London (ISL)
- One of the oldest IB schools in the UK.
- Offers PYP, MYP, and IB Diploma.
- Small class sizes, and multicultural.
- Lycée International de Londres Winston Churchill
- Bilingual (English & French) school.
- Offers IB or French Baccalauréat.
- Very diverse nationalities.
- Marymount International School London
- Girls’ school for ages 11–18.
- Fully IB (MYP + Diploma).
- Very international with students from many countries.
If you tell me which part of London you’re looking at (West, North, Central) and your budget, I can pick the top schools near you.