International School of London (ISL)

Hounslow, United Kingdom

Location: Hounslow, United Kingdom
Type: Mainstream School
Phase: All-through
Funding status: Independent
Gender: Mixed
Age range: 3 - 16 years

About International School of London (ISL)

As part of the International School of London (ISL) group, which includes the International School of London in Surrey and the International School of London in Qatar, ISL was one of the first schools in the UK to offer the International Baccalaureate (IB) programme.

The International School of London Group is a culturally diverse community which fosters a passion and enthusiasm for learning, through outstanding educational practices. Students' cultural and linguistic identities are valued and nurtured through our international curriculum and Mother Tongue programme. Our school develops the attitudes, skills and understanding needed for active and responsible contributions to both local and global communities.

The School has a highly successful academic record and a curriculum that includes all three programmes of the IB offering a broad range of subjects to children of over 50 nationalities. The core values at the International School of London are: Diversity, Understanding, Identity and Passion.

ISL London is a friendly school that is small enough to ensure each child is a respected individual, yet large enough to support a vibrant and active international community.


An International Baccalaureate (IB) World School, they offer the Primary Years (PYP) and Middle Years Programmes (MYP) as well as the IB Diploma. The IB programmes combine intellectual rigour and high academic standards with a strong emphasis on the ideals of international understanding and responsible citizenship.

This was one of the first schools in the UK to offer the IB diploma. The recent graduates achieved a 100% pass rate, well over the 2010 worldwide average of 77.8%. Additionally, the average score of 31 was well over international averages and the percentage of bilingual diplomas at 71% is more than double the worldwide average of 30%.


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Address: Main Campus, 139 Gunnersbury Avenue, Hounslow, London, W3 8LG, United Kingdom
Telephone: +44 20 8992 5823
Positions available at International School of London (ISL)