Ranked purely by parent interest — the number of families who opened each school’s profile and spent time reading it between August 2025 and July 2026.
Tarabya British Schools is a Turkish-International institution that blends the British Cambridge framework with the Turkish National Curriculum for students aged 4 to 18. The school offers Cambridge Primary for early years, Cambridge IGCSE, and Cambridge International AS and A-Levels, with Turkish National Curriculum content taught in Turkish and most other lessons taught in English. The curriculum is mapped to satisfy both the Turkish and British curricula, reflecting the blended approach. The campus network includes Tarabya and Yeniköy campuses, with the Tarabya Campus recently renovated to support student life. Tarabya British Schools is part of the Horizon Education Group; Dr. Mehmet Gültekin serves as Trustee Chair. Cambridge International Examinations authorises Cambridge Primary, Secondary, IGCSE and A-Levels, and the school earned COBIS Patrons Accreditation in 2021. Extracurriculars run year-round, including the Duke of Edinburgh Award (Silver level), MUN, sport, music, art, cooking and street dancing. Summer School offers art, sports, science activities and daily English. Language electives include French, Spanish, German, and Turkish.
Annual fees
Fees not listed
Ages
4 to 18 years
Curriculum
Cambridge (Primary), Cambridge (Secondary), Cambridge IGCSE, Cambridge International AS Levels, Cambridge A Levels, Taiwan 108 Curriculum
Ihsan International School in Turkey delivers education accredited by the Turkish Ministry of Education. Core subjects are taught in English, with support for Arabic, Turkish, Islamic Studies and Holy Quran. The curriculum relies on Pearson and Cambridge textbooks, complemented by interactive activities and online platforms. A British A-level curriculum is available for high school students. Electives for Grades 11 and 12 include Art & Design, Computer Science, Business, Humanities, Engineering and Medicine. University preparation programs feature AP, SAT and YOS intensive training, and the school operates an accredited SAT & AP exam center with 300 seats in Esenyurt and 150 seats in Atakent. The campus accommodates up to 1,250 students, with 20–25 per section from Grade 1 to 12, representing 35 nationalities. Cognia and Turkish MoE approve the program, with College Board recognition as an SAT/AP center. The pedagogy is student-centered, with teachers as coaches; assessments are formative and summative.
Annual fees
TRY 237,000 – 314,000
Ages
Ages not listed
Curriculum
American Curriculum, Advanced Placement (AP), Islamic Curriculum, British Curriculum
MEF International School Istanbul provides education for ages 3 to 18, offering IB Primary Years Programme, IB Diploma Programme, and Cambridge Secondary with IGCSE. The nine-acre campus is in Ortaköy, shared with MEF National School. The Early Childhood Center serves Preschool to Kindergarten separately; the Primary School occupies the lower floors and the Secondary School the upper floors. Facilities include a Whole School library, a dedicated reading library, fully wired computer labs and science laboratories, MEF Tech with a makerspace, iMac Lab, Lego Robotics, Greenbox Studio, plus wireless infrastructure and smartboards. Sports facilities comprise two outdoor pitches, a tennis court, a 25m heated pool with stadium seating, an indoor gym, a dance studio and playgrounds. The program features a broad co-curricular offering, including Math Olympiad, MUN and Code Monkey; Arts studios and music spaces; service-learning and a Student Council. IB DP includes CAS, EE and TOK as core components today.
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.
Gokkusagi Schools Istanbul is an international school for ages 3 to 18 in Beylikduzu. It offers the Cambridge International School Program (Primary through IGCSE and A Levels) alongside the IB Primary Years Programme and IB Diploma Programme. The school also delivers the CAP Innovative Program and Dual Foreign Language Education, operating under a 'Living School' model that aims to educate internationally conscious individuals who research, inquire, think, communicate, are informed, principled, open‑minded, caring, risk takers, balanced and reflective. Established in 1997, it pursues a World School vision and focuses on developing students' intellectual, social, emotional and individual talents, with internationally ambitious pathways. The Beylikduzu campus houses physics, chemistry and biology labs; IT and STEM facilities; an art workshop; a Music and Dance Academy; archery and an ice rink; a 3D hall; a conference hall; a library; a restaurant; and indoor sports halls, plus a 3000 m² open area. The Cambridge Accreditation Code is TR072, and SAT preparation is offered.
Safir International School delivers international education for ages 2 to 18 in Istanbul's Bağcılar district. The school combines American, Islamic, and Chinese National curricula, with English as the language of instruction. The campus spans 14,500 square meters, six floors plus three underground levels, and operates from 8:00 am to 4:00 pm. Arabic and Islamic Studies program teaches Arabic language and Islamic concepts, with a values-based focus assessed for improvement. In middle school, students study subject-specific science, continue advanced mathematics, and follow a pre-AP pathway to high school readiness. The high school program prepares students to master the SAT, ACT, and AP examinations. Safir emphasises bilingual learning and inclusive access to Islamic subjects in English for non-native Arabic speakers, while native Arabic speakers keep instruction in Arabic. The Safir wellbeing program comprises eight initiatives supporting physical, personal, social, emotional, and cognitive development. Extracurriculars include TEDXSafir, Model United Nations, Robot Zone Technology Olympiad.
Annual fees
Fees not listed
Ages
2 to 18 years
Curriculum
American Curriculum, Islamic Curriculum, Chinese National Curriculum
Keystone International Schools in Istanbul serves students from early childhood to Grade 12 with the Prince Edward Island Canadian Diploma program for Grades 1–12. Instruction is in English, with French taught as a second language. The school operates on two campuses, Küçük Çamlıca and Çekmeköy, and is accredited by WASC. PEI Ministry of Education students have access to the PEI online library and a Canvas-based learning platform supporting blended and asynchronous learning. The PEI curriculum emphasizes critical thinking, communication, and real-world application through project-based learning, while language development is fronted by English and Intensive French options via CEFR-aligned streaming. Facilities include a swimming pool, indoor/outdoor basketball courts, dance rooms, and a gym, plus a library with digital resources. Extracurriculars include field trips to historic sites, science museums, and cultural venues, and signature programs such as a France trip, a Toronto School Experience, and Round Square conferences.
Deutsche Schule Istanbul is a private German high school that is part of Germany's Auslandsschulen network and operates two divisions under one roof: Özel Alman Lisesi and Botschaftsschule (German Embassy School). About 750 students are taught by over 80 teachers. The school runs a three-tier Bildungsgang (Gymnasium, Realschule, Hauptschule) with Abitur as the goal; Turkish students receive the Turkish Lise Diploma while many pursue the German International Abitur (DIA) and the KMK Sprachdiplom DSD II. A Hazırlık preparatory program provides 20 hours of German per week. In upper-secondary phase (grades 11–12) Abitur is taken in six compulsory subjects: Mathematics, Physics, Chemistry, Biology, German and English, plus Turkish culture. The DIA is offered, and Turkish students may externally earn the DSD II at C1. MINT orientation is emphasized to foster scientific competence. The school supports German-Turkish intercultural encounter through its streams and governance, with project groups and a student council.
Private NÛN Schools, run by the NÛN Education and Culture Foundation in Turkey, serve students aged 3 to 18 and are affiliated with the Ministry of National Education. The curriculum embraces the International Baccalaureate across the Primary Years Programme (PYP), Middle Years Programme (MYP), and Diploma Programme (DP), with the PYP authorized and the DP program since March 2017. PYP units run in six-week modules and culminate in mini exhibitions that showcase inquiry-led learning. Differentiation and inquiry-based approaches underpin teaching, and classrooms are designed for about 20 students to support collaboration. The campuses feature well-stocked libraries, laboratories, observatories, and flexible spaces; an ecology lab and botanical garden reinforce hands-on science. Outdoor spaces, a forested campus, and a sustainable living program extend learning beyond the classroom. NÛN emphasizes experiential learning, outdoor education, and community service through activities like NÛN Volunteers and thematic programs such as Sefer-i NÛN and Inspiring Guests.
Istanbul International Community School (IICS) is a private, non‑profit, secular, coeducational day school for ages 3–18 with two campuses on either side of Istanbul's Bosphorus. It delivers the International Baccalaureate across the Primary Years Programme, Middle Years Programme and Diploma Programme, all taught in English. A U.S. High School Diploma pathway is available through CIS and NEASC accreditation, with AP courses offered alongside IBDP certificate courses and options for dual enrollment or honors-level study as part of College Ready offerings. Founded in 1911, IICS is among the city's oldest international schools and maintains a 1:1 laptop program. The Marmara Campus (16 hectares) houses facilities including a 335 m² library, three science labs, a 264 m² theatre with 320 seats, a large soccer pitch, a visual arts building and extensive sports and dining spaces. The Hisar Campus provides additional athletic and arts spaces. IICS participates in CEESA and offers strong college guidance and service programs.
