Southbank International School

Westminster London

Full IB
International
Ages 3 - 19

Indicative annual tuition

GBP 28,938 – 48,099

Higher fees for London

vs London schools listed

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Indicative figures from the school's most recent published fees. They vary by year group and extras; confirm current fees with the school before applying.

Curriculum: Full IB
Ages: 3 - 19
Type: International
Languages: English, French, Spanish, German
Area: Westminster
Address: 63-65 Portland Place, London W1B 1QR

Last updated 27 September 2026 One of 15 schools we list in London

About Southbank International School

Southbank International School is a full IB continuum school with three London campuses, offering the IB Primary Years Programme, Middle Years Programme, and Diploma Programme for students aged 3 to 19. The Westminster campus on Portland Place sits in the heart of central London, minutes from Regent's Park, making it exceptionally convenient for families based in London's West End and diplomatic quarters.

Southbank attracts a highly mobile, globally minded student body with over 60 nationalities represented across its campuses. The school is particularly popular with families from international organisations, embassies, and multinational corporations who value the portability and global recognition of the IB qualification. Students move seamlessly between Southbank's campuses and to IB schools worldwide.

University outcomes are strong, with Southbank graduates regularly admitted to leading universities in the UK, US, Europe, and beyond. The school's central London location and flexible campus network make it one of the most practical and prestigious IB options for internationally mobile families in the capital.

Facilities and campus

Science Labs
Library
Art Studios
Music Rooms
Cafeteria
Sports Facilities
Counselling Centre
Sixth Form Common Room

Accreditations and memberships

As listed by the school. Check with the accrediting body if it matters for your decision.

Location and contact

Southbank International School

63-65 Portland Place, London W1B 1QR

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Questions parents ask

Southbank International School follows the Full IB curriculum, catering to students aged 3 - 19.

Indicative annual tuition at Southbank International School is GBP 28,938 - 48,099, based on the most recent published figures. Fees vary by grade level and additional services — confirm current fees with the school before applying.

Southbank International School is located at 63-65 Portland Place, London W1B 1QR, in the Westminster area of London.

You can request information about Southbank International School's admission process by filling out the inquiry form on this page. Our team will connect you with the school's admissions office.