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Strengths Sport, Visual and Creative Arts, Languages
Clubs Arts and Creative, Cultural and Language, Academic and Intellectual
Stages Kindergarten, Primary School, Middle School, High School
Introduction
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.
Keystone International Schools has 250 pupils, typical class sizes of 18, instruction in English.
Location
Keystone International Schools operates in Istanbul, Turkey, with two campuses: Küçük Çamlıca Campus (Gülhan Sok. 1-2, Üsküdar, 34660) and Çekmeköy Campus (Süleymaniye Cd. No:20B, Çekmeköy, 34782). It also features a Toronto Campus as part of its Canadian program. The Istanbul addresses are the primary Turkish locations for Keystone.
Annual tuition at Keystone International Schools ranges from TRY 22,750 to TRY 26,750 for 2026/27.
Application & registration fees - Canadian registration (mandatory, non-refundable): USD 1,750 per student per year. This fee is separate from tuition and is required for registration with the Prince Edward Island (PEI) Ministry of Education.
Tuition fees (annual, by year group) - Kindergarten (ages 3–5): USD 21,000 per year. - Primary (Grades 1–6): USD 24,000 per year. - Middle School (Grades 7–9): USD 25,000 per year. - High School (Grades 10–12): USD 25,000 per year.
Per-term (per-semester) amounts - The school operates on a two-semester academic calendar; present per-term figures below are the annual tuition divided by two (per semester). - Kindergarten: USD 10,500 per semester. - Primary (Grades 1–6): USD 12,000 per semester. - Middle School (Grades 7–9): USD 12,500 per semester. - High School (Grades 10–12): USD 12,500 per semester.
Billing schedule and payment terms - Deposit at registration: 40% of the chosen tuition is due at registration. - Remaining balance: The remaining tuition balance may be paid in installments; the installment cycle begins at registration and must be completed by December of the academic year in question. The annual Canadian registration fee (USD 1,750) must be paid in full at registration. - Sibling discount: 10% for the second sibling; 5% for each additional sibling. - Early-payment discounts and specific installment deadlines are published with the fee schedule and may include reduced rates for full payment by designated dates.
Boarding / residence - Keystone International Schools is a day school; no boarding fees apply. The school operates as a coeducational day school.
Other mandatory or likely additional costs - Canadian registration (listed above) is charged separately and is non-refundable. - Books and learning materials: - Grades 1–6: students must purchase books sourced from Canada. - Grades 7 and above: a book-rental program is offered; rental textbooks are provided rather than individual book purchases. - Lunch and catering: - Lunch is included in the tuition for all students except high school; high school students may bring lunch, purchase from the school, or buy cafeteria food. The school operates an in-house fresh meals program. - Uniforms: Uniforms are required (regular days Monday–Thursday; Fridays are casual within the dress code) and PE uniform is required on PE days. Families must purchase required uniform items. (Uniform policy and expectations are set in school documentation.) - Transportation: Licensed school bus service is provided; a separate transport fee typically applies for bus users (transport procedures and safety are described by the school). - Assessments/exams: Standardized testing and examination fees such as MAP testing are included in quoted tuition. - Field trips and extracurricular activities: participation-related charges (trip fees, materials, external examination fees where relevant) may be billed in addition to tuition as needed; such items are handled on a per-event basis and according to school policy.
Refund and withdrawal rules - Withdrawal prior to the start of the academic year: annual tuition is refunded less a 10% deduction from the annual tuition fee. - Withdrawal after the academic year begins: tuition and meal fees are prorated based on days attended; an additional 10% deduction from the annual tuition fee is applied when withdrawing after the academic year has started. Refunds follow the school's financial policy and the formal withdrawal procedure.
Fee payment options and invoicing notes - The school's published materials reference installment billing (40% at registration with the balance on an installment schedule through December) and indicate that early-payment discounts have applied in prior schedules; common payment channels for schools of this type typically include bank transfer/wire and direct payment methods. Specific accepted payment methods (credit card, bank-transfer details, local payment rules and any merchant fees) and exact installment dates are provided by the school with the invoice and fee schedule.
Summary of immediate charges at registration (typical) - First tuition installment (40% of the chosen annual tuition). - Canadian registration fee: USD 1,750 (non-refundable). - Any selected optional services billed upfront (for example, bus service or uniforms if the school invoices them at registration).
All figures quoted above are stated in USD. For any specific student-level invoice items (transport route cost, uniform package price, book purchase total, or confirmed installment dates) the school provides itemised billing at registration and with the official fee schedule.
Academics
Keystone International Schools teaches Canadian Curriculum, IB (DP) for students aged 3 to 18.
Curriculum
PEI Canadian Diploma program at Keystone International Schools follows the Prince Edward Island system. It offers a Canadian high school diploma, with instruction in English and learning in French as an additional language. Grade 1 to 12 students are registered with the PEI Ministry of Education and have access to a PEI online library. The curriculum emphasizes critical thinking, communication, and real-world application, combining academic and applied courses, project-based learning, and standardized assessments such as the MAP Growth tests and DELF for French. English is the primary language of instruction, accompanied by an Intensive English Program for students needing extra support, and French is taught through a CEFR-aligned streaming program with additional intensive options. The program integrates language, music, arts, science, and physical education, with opportunities for exhibitions and field experiences.
Exam Results
MAP Growth assessments are used to monitor progress in Science, Mathematics, and Language. DELF is used to assess French language proficiency. The PEI system supports the pathway to earning a Canadian high school diploma.
Higher Education Progression
Graduates have acceptances to universities around the world, including the University of Toronto, University of Amsterdam, Koç University, IE University, and King's College London, among others.
Admissions
Admissions
1. Learn About Our School. Visit us in person during regular school hours to experience our classrooms and student life firsthand. If you are abroad, a Zoom meeting can be arranged to answer your questions. Before your visit, think about what matters most to you in a school environment and prepare questions about our programs. A school tour can be requested using the form below.
2. Apply. Complete our Registration Form if you decide to proceed. Applications may be submitted in person or online. If you wish to expedite, you may skip the tour and directly register online. Our admissions team will review your application and confirm the next steps.
3. Exams and Interviews. After we receive your application, we will schedule exams and interviews based on your child's grade level. These assessments help us evaluate your child's academic readiness and fit with our school culture. The results guide the admissions decision and inform the next steps in the process.
4. Admissions Decision. You will be informed of the admission decision within 5 days of completing the assessment process. The decision is communicated to families, and next steps for enrollment will be provided. This timeline helps families plan for the next steps in the admissions process.
FAQs
What curriculum does Keystone International Schools follow?
PEI Canadian Diploma program at Keystone International Schools follows the Prince Edward Island system. It offers a Canadian high school diploma, with instruction in English and learning in French as ...
What age range does Keystone International Schools serve?
The school serves students from age 3 to 18.
What are the tuition fees?
**Application & registration fees**
- Canadian registration (mandatory, non-refundable): USD 1,750 per student per year. This fee is separate from tuition and is required for registration with the Pri...
What type of school is Keystone International Schools?
Keystone International Schools is a co-educational school.
Where is Keystone International Schools located?
Keystone International Schools operates in Istanbul, Turkey, with two campuses: Küçük Çamlıca Campus (Gülhan Sok. 1-2, Üsküdar, 34660) and Çekmeköy Campus (Süleymaniye Cd. No:20B, Çekmeköy, 34782). It...
What languages are taught?
English language arts are taught daily from Kindergarten onward. French is taught as a second language across all grades. The French Streaming Program aligns instruction with CEFR levels, and Intensiv...
How many students attend the school?
Keystone International Schools has approximately 250 students.
When was the school established?
Keystone International Schools was established in 2011.
What is the admissions process?
1. Learn About Our School. Visit us in person during regular school hours to experience our classrooms and student life firsthand. If you are abroad, a Zoom meeting can be arranged to answer your ques...
