British International School Istanbul

Zekeriyaköy Istanbul

British / Cambridge IGCSE / IB Diploma
International
Ages 2 - 18

Indicative annual tuition

TRY 321,300 – 935,900

Mid-range fees for Istanbul

vs Istanbul schools listed

Lowest in city Highest in city

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: British / Cambridge IGCSE / IB Diploma
Ages: 2 - 18
Type: International
Languages: English, Turkish, French, Spanish
Area: Zekeriyaköy
Address: Zekeriyaköy Mah. Kilyos Cad. No:227/1, Sarıyer, Istanbul

Last updated 27 September 2026 One of 14 schools we list in Istanbul

About British International School Istanbul

The British International School Istanbul (BISI) is a leading British-curriculum school with campuses in Zekeriyaköy, Etiler, and Bahçeşehir, serving students from over 55 nationalities aged 2.5 to 18.

The school follows the English National Curriculum through Cambridge IGCSE, then offers the IB Diploma Programme for Sixth Form students, providing a seamless British-to-IB pathway.

The Zekeriyaköy forest campus offers a unique natural learning environment with extensive outdoor facilities, while the city campuses provide convenient access for families in central Istanbul.

Facilities and campus

Forest Campus
Science Labs
Performing Arts
Sports Fields
Swimming Pool
Library
Cafeteria

Accreditations and memberships

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

IB World School
Cambridge Assessment
BSO

Location and contact

Zekeriyaköy Mah. Kilyos Cad. No:227/1, Sarıyer, Istanbul
+90 850 259 84 84
info@bis.k12.tr
bis.k12.tr (opens in a new tab)

British International School Istanbul

Zekeriyaköy Mah. Kilyos Cad. No:227/1, Sarıyer, Istanbul

Open in Google Maps Get directions

Questions parents ask

British International School Istanbul follows the British / Cambridge IGCSE / IB Diploma curriculum, catering to students aged 2 - 18.

Indicative annual tuition at British International School Istanbul is TRY 321,300 - 935,900, based on the most recent published figures. Fees vary by grade level and additional services — confirm current fees with the school before applying.

British International School Istanbul is located at Zekeriyaköy Mah. Kilyos Cad. No:227/1, Sarıyer, Istanbul, in the Zekeriyaköy area of Istanbul.

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