The British International School Istanbul

Turkey, Istanbul

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The school at a glance

Instructs in English

Fees TRY 21,600 - 52,500

Ages 2 - 18 years

Pupil numbers 520

Type Co-educational

Bus Service No

The British International School Istanbul (BISI) offers a British-led international education for ages 2–18. The Pre-School follows the UK Early Years Foundation Stage; Primary and Secondary use the Cambridge Curriculum to IGCSE, with Key Stage 3 adapting the English National Curriculum. Key Stage 4 offers Cambridge IGCSE, and Key Stage 5 delivers the International Baccalaureate Diploma Programme. BISI, a division of The British School Istanbul, holds triple accreditation from CIS, COBIS and MSA-CESS—the first in Türkiye. It emphasizes languages—German, Spanish, French and Turkish—with English as a Second Language support. The Zekeriyaköy Campus serves ages 2–18 and includes four teaching blocks, two libraries, six science laboratories, a 210-seat theatre and BIS Botanic Garden. Outdoor spaces include rubberised play areas and a running track; facilities include three gyms, an all-weather pitch, a basketball/tennis court and a heated 25 m pool. Extra-curriculars cover drama, photography, guitar and choir, plus CAS, MUN and debate.

Academic offering

Curriculum British Curriculum, Cambridge IGCSE, IB (DP)

Taught languages German, Spanish, French, Turkish, English

Typical class size 15

Strengths Sport, Languages, Performing Arts

Clubs Arts and Creative, Community and Service, Leadership and Professional

Stages Early Years, Primary School, Secondary School, Sixth Form

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