Schools/Turkey/Istanbul/Istanbul International School
Turkey — Üsküdar

Istanbul International School

Campus A: Turistik Camlıca Cad. No 20, Üsküdar 34692; Campus B: Harman Sok. No 1, Üsküdar 34676
"Building Bridges Between Countries and Cultures"
Cambridge IGCSECambridge International AS LevelsCambridge A LevelsRolling Admissions
Istanbul International School logo
Data verified from public sources
Annual Fees$ 18,150 – $ 27,650
Ages4 – 18

Istanbul International School is a Cambridge IGCSE / Cambridge International AS Levels / Cambridge A Levels school in Istanbul, Turkey. Founded in 1997. Annual tuition ranges from $18,150 to $27,650 USD.

Location & Getting There

Campus A: Turistik Camlıca Cad. No 20, Üsküdar 34692; Campus B: Harman Sok. No 1, Üsküdar 34676Open in Maps
Bus service available

NanaSays Scorecard

Est. 1997
Year Founded
Boarding Available
EAL Support
SEN Support
Rolling Admissions

Key Details

Curricula Offered
Cambridge IGCSEYes
Cambridge International AS LevelsYes
Cambridge A LevelsYes
Support Services
EAL SupportYes
SEN SupportYes
WellbeingYes
Bus ServiceYes
Accreditations
Cambridge Assessment International Education
Languages of Instruction
English

Key facts

Founded
1997
Ages
4–18

About

Istanbul International School is a Cambridge International school in Üsküdar, Istanbul, serving approximately 375 students aged 4 to 18 across two campuses. The school offers the full Cambridge pathway from Early Years through A Levels, with a strong emphasis on bilingualism, multilingual education, and higher-order thinking. Founded in 1997, it is accredited by Cambridge Assessment International Education and approved by the Turkish Ministry of Education.

School data verified by NanaSays. Last updated: April 2026.

Why Families Choose

Delivers Cambridge International Curriculum from Early Years through Sixth Form for ages 4–18 across two campuses. Emphasizes bilingualism, biculturalism, and multilingual education with IGCSEs available in more than 30 languages. Secular, child-centred curriculum fostering curiosity, reflection, and higher-order thinking. Cambridge qualifications recognised by over 1,400 universities worldwide including 550+ in the US.

Fees & Financials

Grade / YearAnnual Fee
Grade 1USD 22,250
Grade 2USD 22,250
Grade 3USD 22,250
Grade 4USD 22,250
Grade 5USD 22,600
Grade 6USD 23,400
Grade 7USD 23,400
Grade 8USD 23,950
Grade 9USD 25,500
Grade 10USD 27,000
Grade 11USD 27,650
Grade 12USD 27,800
Early YearsUSD 18,150

Original currency: TRY 18,150 - 27,650.

Admissions Process

  1. 1Submit inquiry through the Online Student Registration page. Provide school reports from the past two years. All students evaluated by a School Counselor; high school applicants complete a placement test. Step 2: Receive automatic email confirmation; await next steps by email; assessments may be required. Step 3: Make payment for Assessment fee; meet with Principal and Counselor. Step 4: Receive admissions decision; if accepted, meet with Admissions Officer to discuss fees and payment plan.

Admissions Details

Application Deadline
Rolling
Waitlist Policy

If no places are available at the time of assessment, the student may be placed on the waiting list. Placement is determined by availability.

Student Life

Food & Dining

Campus A (Ages 4–12) has an eatery; Campus B (Ages 13–17) has an eatery. Lunch is included in the published tuition fees.

Clubs & Activities
Academic and IntellectualLeadership and ProfessionalArts and Creative

Facilities & Programmes

Sports
Indoor Gym
Outdoor Facilities
Arts
Expressive Arts
Academic
Science Labs
ICT Lab
Library
Mathematics Lab
Auditorium

Wellbeing & Safety

Pastoral & Mental Health

Counselors are part of the Istanbul International School staff. The admissions process includes a meeting with a Counselor to discuss developmental and emotional readiness. Counselors contribute to admissions assessments to help determine readiness and appropriate placement.

Student Demographics

Age Range
418
Early Years
Primary School
Middle School
Secondary School
High School
Sixth Form

School Background

Governance & Ownership

Approved and inspected by the Turkish Ministry of Education; holds Cambridge International School status; member of the International Schools Association; approved teacher training centre for the University of Stenden International Teacher Education Programme.

Sports Programme

Facilities
Indoor GymOutdoor Facilities

Frequently Asked Questions

Fees at Istanbul International School vary by year group. Contact the admissions office for a full fee schedule.