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Clubs Academic and Intellectual, Community and Service, Leadership and Professional
Stages Kindergarten, Primary School
Introduction
ONE! International School Istanbul is a private international school for ages 2 to 12 that blends Montessori methods in Kindergarten with the ONE! Educational Standard. The program integrates the IB Curriculum framework (PYP), a bespoke curriculum, and the ONE! approach to digital personalisation alongside an entrepreneurship course. Students study Mathematics and Foreign Languages in depth within an extended academic block. The campus offers spacious classrooms, modern sports facilities, a well-stocked library, state-of-the-art science laboratories, and a swimming pool for swimming lessons, all supporting premium personalised learning environments. The networked school model includes eight other campuses in Russia, Saudi Arabia and Turkey, with around ten years of educational experience. Two new Istanbul campuses were announced for September 2024, with further plans for 2025. Owned by North-West Education Center LLC, ONE! places emphasis on preparing students for admission to the world's top-100 universities and, where possible, direct employment in the IT industry, supported by partnerships with leading tech companies and a teacher training centre.
This campus is part ofONE International School Istanbul
The Essentials
Location
Istanbul, Turkey. The school operates across two campuses in Istanbul, in the districts of Sarıyer and Avcılar.
Stages
Kindergarten (ages 2-6) and Primary School (ages 6-12).
Type
Private international school
Fees
Application fees - No published application, enrollment or registration fee amount is available for ONE! International School in Istanbul for the 2026/27 or 2025/26 academic years. The school's public information does not list any numeric application fee.
Tuition fees by year group (per term / per year) - No published tuition schedule by year group, term, or annual total is available. The school's public information lists the age ranges and the grades offered for the initial intake (Kindergarten for ages 2–6 and Primary for ages 6–12) but does not provide per-term or per-year tuition figures for any grade.
Billing schedule and payment terms - No published billing schedule (termly/annual instalments), due dates, early‑payment discounts, or late‑payment penalties are available from the school's public materials. There are no posted payment terms such as required deposits, refundable/ non-refundable advance payments, or instalment plans.
Boarding fees (if applicable) - Boarding is not indicated as a service for the Istanbul campus that is described for ages 2–12; no boarding fees or boarding options are published. Treat boarding as not applicable for the listed Istanbul intake.
Other costs and fees (uniform, meals, transport, materials, extracurriculars, exams, capital / development fees) - No published schedules or amounts for uniform costs, meal fees, transportation, learning materials, exam fees or capital contributions are available. The school's public information describes facilities and activities but does not provide associated charges or a list of mandatory/optional additional fees.
Refund information - No published refund policy or conditions for returns of deposits/fees is provided in the school's public materials. There are no posted terms about refunds on withdrawal, failed visas, or mid‑year departures.
Fee payment options (credit card / bank transfer / local payment methods) - No published details on accepted payment methods (credit card, bank transfer, local currency requirements, or online payment portals) are available. The school's public information does not specify which payment channels are supported.
Summary of findings and limitation - The school's public information for the Istanbul campus confirms admissions are open and describes the programmes and age ranges for the initial intake (Kindergarten and Primary), but it does not publish any numeric fee schedule, payment timetable, payment methods, refund policy, or additional mandatory charges for the 2026/27 or 2025/26 academic years. Because numeric fee data are not published in the school's available public materials, no definitive amounts (application fees, per‑term or annual tuition by grade, boarding fees, uniform costs, or payment terms) can be provided here.
Academics
ONE International School Istanbul teaches IB (PYP), Montessori Curriculum, Bespoke Curriculum for students aged 2 to 12.
Curriculum
ONE! International School uses the ONE! Educational Standard, which includes the IB Curriculum framework, Russian STEM Education, digital educational personalisation, and an entrepreneurship course. It provides in-depth study of core subjects (Mathematics and Foreign Languages) with an extended academic block, and applies Montessori methods in the Kindergarten. Facilities and features include spacious classrooms, modern sports facilities, a well-stocked library, state-of-the-art science labs, and extracurricular activities to support premium personalised learning environments. It prepares students for admission to the world's top-100 universities and direct employment in the IT industry.
Exam Results
81% of students achieve high results in Mathematics.
Higher Education Progression
Graduates are prepared for admission to the world's top-100 universities. The ONE! Educational Standard includes a TOP-100 Universities Track and collaborators Edumasters, UWC, and the Anglo-American School to align with admissions requirements. Destinations highlighted include Cambridge, MIT, Stanford, and Imperial College London. The program also describes direct employment in technology companies, supported by a computer science education program with partnerships to Google, Microsoft, Apple and others.
Wellbeing
Social and Emotional Learning (SEL)
ONE! International School in Istanbul supports social-emotional development through participation in socially significant events and projects. Literary projects instill a love of reading. Environmental projects form a conscious attitude to consumption. Projects promote a healthy lifestyle with the participation of world sports stars. Volunteering at local charities or non-profit organizations is part of the program. A wide range of extra-curricular activities supports holistic development.
Admissions
Admissions
1. For 2025/2026 admissions, book an online meeting. Admission is open now for Kindergarten (ages 2-6) and Primary School (ages 6-12). The meeting initiates the admissions journey for ONE! International School in Istanbul. It provides initial information about admissions and enrollment. 2. Complete the Registration Form. The form collects parent information: First Name, Last Name, Mobile, Email, and Date, and requests Number of Children, Classes, and Campus. Kindergarten is for ages 2-6 and Primary School is for ages 6-12. The form requires acknowledgment of the Privacy Policy and Data Processing Consent.
FAQs
What curriculum does ONE! International School follow?
ONE! uses its proprietary Educational Standard combining the IB PYP framework, Russian STEM Education, digital personalisation, and an entrepreneurship course. Montessori methods are used in Kindergarten.
What ages does ONE! International School cater for?
The school accepts children from age 2 through to age 12, covering Kindergarten and Primary School levels across two campuses in Istanbul.
Where are the ONE! International School campuses located?
The school operates across two campuses in Istanbul, located in the Sariyer and Avcilar districts.
What are the academic results like?
The school reports that 81% of students achieve high results in Mathematics, reflecting the emphasis on in-depth STEM study within the curriculum.
Does ONE! prepare students for top universities?
Yes, the ONE! Educational Standard includes a TOP-100 Universities Track. The school collaborates with Edumasters, UWC, and the Anglo-American School to align with admissions requirements for universities like Cambridge, MIT, and Stanford.
What facilities are available?
The campuses offer spacious classrooms, modern sports facilities, a well-stocked library, science laboratories, and a swimming pool.
What languages are taught?
Foreign Languages are a core subject alongside Mathematics within the ONE! Educational Standard. The curriculum incorporates digital personalisation for language learning in a multilingual environment.
Does the school offer extracurricular activities?
Yes, a wide range of extracurricular activities supports holistic development. These include literary projects, environmental initiatives, sports programmes featuring world sports stars, and volunteering at local charities.
How does admissions work at ONE! International School?
Families begin by booking an online meeting for initial information. They then complete an application and follow the school's enrolment steps for Kindergarten or Primary School placement.
Is ONE! part of a larger school network?
Yes, ONE! International School operates as part of a network with eight campuses across Russia, Saudi Arabia, and Turkey, drawing on ten years of educational experience.
What is the school's approach to entrepreneurship?
An entrepreneurship course is built into the ONE! Educational Standard. The school cooperates with leading technology companies including Google, Microsoft, and Apple to provide real-world exposure.
How does the school support social-emotional development?
Students participate in socially significant events and projects including literary projects, environmental campaigns, healthy lifestyle programmes with sports stars, and volunteering at local charities.
