BIS Schools and Kilittasi Schools are both in Istanbul, about 22 km apart. Both schools offer Bespoke programmes. BIS Schools also offers British, IB, Advanced Placement (AP), Thai and CBSE, and Kilittasi Schools also offers Canadian and Cambridge (Primary). Published annual fees are TRY 926,500 at BIS Schools and TRY 420,000 - 1,105,000 at Kilittasi Schools, which puts BIS Schools roughly 22% higher. BIS Schools takes pupils from 3 to 18, and Kilittasi Schools from 2 to 18. BIS Schools is the larger school, with around 750 pupils to Kilittasi Schools's 250. Typical class sizes are 12 at BIS Schools and 18 at Kilittasi Schools.
Bespoke Curriculum, Canadian Curriculum, Cambridge (Primary)
Pupils
Pupils
750
Pupils
250
Typical class size
Typical class size
12
Typical class size
18
Instruction language
Instruction language
Turkish, English
Instruction language
English, Turkish
Opened
Opened
—
Opened
2013
Bus service
Bus service
No
Bus service
No
Essentials
Essentials
Location
Location
The BIS Schools operate in Istanbul, Türkiye, with campuses in Zekeriyaköy (Primary Campus at Uskumruköy, 8. Cadde No: 7, Sarıyer), Zekeriyaköy High School (Uskumruköy, Kilyos Cd. No: 238/1, Sarıyer), Bahçeşehir Campus (Pazartürk Cd. No: 12, Başakşehir), and Çamlıca Campus (Turistik Çamlıca Cd. No: 54, Üsküdar). The Zekeriyaköy Forest Campus is another BIS campus in the same area.
Location
Çekmeköy – Campus, Istanbul, Turkey. Located in the Çekmeköy district; address: Süleymaniye Caddesi, No:20/B, 34782 Çekmeköy, Istanbul.
Stages
Stages
Early Years / Pre-School; Primary School; Middle School; High School
Stages
Kindergarten; Primary School; Middle School; Anatolian High School
School type
School type
Private BIS Primary, Middle and Anatolian High School
School type
K-12 school offering the Turkish Ministry of National Education (MEB) program with the Ontario Secondary School Diploma (OSSD) dual diploma; Kilittaşı Anatolian High School; Toronto Keystone High School; Canada Online High School
Pupil nationality mix
Pupil nationality mix
Turkish and international students; approximately 30% international enrolment.
Pupil nationality mix
33+ countries represented
Additional learning support
Additional learning support
The Learning Support Department provides support for students with Special Needs, coordinates with the ESL department, and collaborates with Educational Psychologists, Speech Therapists and other professionals; includes individual and group intervention and regular parent communication.
Additional learning support
—
Country affiliation
Country affiliation
Turkey
Country affiliation
Canada & Türkiye dual diploma program (OSSD)
Religious affiliation
Religious affiliation
—
Religious affiliation
—
School day structure
School day structure
The main BIS school day runs from 9:00 am to 3:00 pm. Pre-School offers shorter hours: half-day 8:30 am–12:00 pm; half-day with lunch 8:30 am–1:00 pm; full day 8:30 am–3:30 pm.
School day structure
—
Bus service details
Bus service details
BIS offers a safe and reliable bus service through AZ-AL for Zekeriyaköy Campus; buses are GPS-tracked and attended by hostesses; contact 0549 684 23 76 for registration.
Bus service details
Long-standing partnership with a trusted bus company; drivers trained to follow traffic regulations; buses have safety features
Fees
Fees
Fee details
Fee details
School fees (2025–2026 academic year)
Annual tuition / new-student fee (per year, Turkish Lira) - Early years 36–42 months: TRY 926,500.00. - Early years 43–53 months: TRY 926,500.00. - Early years 54–60 months: TRY 1,027,990.00. - Primary: TRY 1,290,980.00. - Middle School: TRY 1,330,590.00. - High School: TRY 1,753,380.00.
Payment options and pricing choices - Advance (single) payment: a 5% discount applies to the annual tuition; discounted totals are: 36–42 months TRY 880,175.00; 43–53 months TRY 880,175.00; 54–60 months TRY 976,590.50; Primary TRY 1,226,431.00; Middle School TRY 1,264,060.50; High School TRY 1,665,711.00. - Installment payment: full annual tuition may be paid in four equal installments (see installment schedule below). - Parents choose either the advance (discounted) payment or the installment plan.
Installment schedule and amounts (four installments per academic year) - Installment due dates: 1st due 30 December 2025; 2nd due 30 January 2026; 3rd due 27 February 2026; 4th due 31 March 2026. - Per-installment amounts (each of four equal payments): - 36–42 months: TRY 231,625.00 per installment. - 43–53 months: TRY 231,625.00 per installment. - 54–60 months: TRY 256,997.50 per installment. - Primary: TRY 322,745.00 per installment. - Middle School: TRY 332,647.50 per installment. - High School: TRY 438,345.00 per installment.
What the school fees cover / what is excluded - Included in the school fees: meals, after-school clubs (15:30–16:30), and city excursions. - Not included in the tuition: books, stationery, and school uniform costs. - Stationery and book lists are published to parents; purchase must follow the school's prescribed list and approved suppliers.
Value added tax and price adjustments - A VAT rate of 10% applies to the fees in accordance with legislation; any statutory change in the VAT rate will be reflected in the fees from the law's effective date.
Discounts and concessions - Children of teachers and academics receive a 10% tuition discount. - For families with two or three siblings enrolled, a 10% discount is applied to younger siblings from the second year of their enrolment. - The total combined discount is capped at 25%.
Refunds and cancellation policy - If registration is cancelled prior to the start of the academic year, the school will refund the paid tuition after deducting one-tenth (1/10) of the school tuition fee in line with the applicable regulation; the remainder is returned to the payer.
Boarding / residential provision - No boarding or residential accommodation is listed as part of BIS Schools' campus services; transport for day students is provided through a contracted bus operator (AZ-AL).
Other costs and optional services - Transport: a contracted school-bus service is available through AZ-AL; bus registration and fees are arranged separately with the transport provider. - Uniforms, books, stationery and other personal learning materials are charged separately.
Billing schedule and payment terms (summary) - Two billing options: single advance payment (5% discount) or four equal instalments on the dates listed above. - Admissions/registration requires completion of registration forms and receipt of the school's Financial Policy and invoice information at the point of enrolment.
Fee payment channels and instructions - The school's Financial Policy and invoice information (provided to parents during registration) set out accepted payment methods and account/invoice details and must be completed as part of the registration process. - Parents choosing the advance-payment option receive the discounted total; parents choosing instalments must pay each instalment by its due date as shown in the billing schedule.
Fee details
KİLİTTAŞI SCHOOLS — FEES (2026/27 ACADEMIC YEAR)
Application / Registration fee - No separate numeric application fee is published in the school's 2026/27 fee materials; admissions are handled through the school's registration process and the school provides direct contact details for booking and registration.
Tuition fees (annual and per term by year group) — amounts shown in Turkish lira (TL) - Playgroup (Half Day, 2 years old) - Annual tuition: TL 420,000. - Per term (2 terms per academic year): TL 210,000.
- Kindergarten - 3–4 years old — Annual tuition: TL 638,650. Per term: TL 319,325. - 5 years old — Annual tuition: TL 911,400. Per term: TL 455,700.
- Middle School - Grade 5 (French / English Prep) — Annual tuition: TL 1,105,000. Per term: TL 552,500. - Grade 6 — Annual tuition: TL 1,105,000. Per term: TL 552,500. - Grade 7 — Annual tuition: TL 944,550. Per term: TL 472,275. - Grade 8 — Annual tuition: TL 664,100. Per term: TL 332,050.
- Anatolian High School (Grades 9–12) - Annual tuition (Grades 9–12): TL 950,000. Per term: TL 475,000.
(Per-term figures above are shown on a two-term basis in line with the school academic calendar that is organised into two semesters.)
What is included / excluded in the tuition figures - The published tuition figures cover tuition only. Meal fees and 10% VAT are added separately. Books, stationery (stationery is included for kindergarten only), uniforms and school transportation fees are not included in the published tuition amounts.
Meal fees - Playgroup (Half Day, two meals): TL 210,000 + VAT. - Kindergarten (three meals): TL 225,000 + VAT. - Primary, Middle, High School (two meals): TL 210,000 + VAT. - Breakfast and lunch service is optional for high school students.
Billing schedule and payment terms - Annual tuition amounts for the next academic year are determined and published in early February; families are asked to complete registration at latest up to two weeks before the start of the school year. The school's published communications state that discounts are offered for early registration and for full payments made by specified dates. - The fee figures above are presented as annual totals; the school uses a two-semester academic structure when planning the year (per-term splits above are shown on a two-term basis). Specific installment options, exact payment deadlines and accepted payment instruments (for example bank transfer or credit card) are not listed in the published fee schedule; the school provides direct admissions/finance contacts for payment arrangements.
Boarding / accommodation fees - Kilittaşı Schools publishes tuition and meal fees for day students and does not publish any boarding or residential fees; no boarding provision or boarding fee is shown in the school's 2026/27 fee materials. The school operates as a day campus.
Other costs and recurring charges - Books and stationery: Not included in the tuition amounts except that stationery is included for kindergarten. - Uniforms: Not included. - School transport (bus): Not included; transport fees are additional. - Additional school trips, optional programs, external exam fees, and optional services are charged separately as applicable. Discounts and bursaries are applied only against the published tuition component and do not cover meal, transport or uniform charges.
Discounts, bursaries and who they apply to - The school publishes several discount/bursary categories (education-achievement bursaries, athlete/sports discounts, state bursary quotas, institutional/corporate discounts and alumni discounts). Bursaries and discounts are calculated against the announced tuition fee for the period and have continuity conditions stated in the school bursary policy. Bursaries and discounts do not apply to meals, transport or uniform charges.
Refund / withdrawal information - To withdraw a student a parent must send a formal written notice; the school's withdrawal procedure requires a signed withdrawal letter and then the Finance Department will complete refund processes as applicable. The school's registration and withdrawal procedures set out that finance and other departments will follow the withdrawal workflow and process refunds. Specific refund schedules or percentage refunds by withdrawal date are not detailed in the published registration policy and are handled through the Finance Department at the time of withdrawal.
Fee payment options (published guidance) - The published materials confirm early-payment and full-payment discount options but do not list a complete menu of accepted payment instruments (credit card, bank transfer, etc.) in the public fee sheet. The school provides admissions and finance contact details for arranging payment method and schedule. Contact details published with the fee materials: info@keystoneschools.com.tr, +90 216 370 4951–52 and +90 506 399 6957.
Summary of key fee items (quick list) - Tuition: Playgroup TL 420,000; Kindergarten TL 638,650 / TL 911,400 (by age); Primary & Middle grades range TL 664,100–TL 1,105,000; High School Grades 9–12 TL 950,000 (annual amounts). - Meal fees: TL 210,000 (playgroup & primary/middle/high) or TL 225,000 (kindergarten) plus VAT. - VAT: 10% VAT is added to meal fees and invoices where applicable. - Discounts/bursaries: Available in multiple categories and apply to tuition only. - Refunds: Withdrawals require formal written notice and refunds are processed by the Finance Department; specific refund terms are dealt with at the time of withdrawal.
(End of fees overview.)
Diving deeper
Diving deeper
Boarding arrangements
Boarding arrangements
—
Boarding arrangements
—
Uniform requirement
Uniform requirement
—
Uniform requirement
—
Food options
Food options
—
Food options
—
House system
House system
—
House system
—
Governance and ownership
Governance and ownership
—
Governance and ownership
—
Academics
Academics
Curriculum details
Curriculum details
The BIS curriculum blends British educational traditions with an international framework. Primary education draws on established British practices and is delivered with a personalised approach that supports academic foundations and social-emotional growth. Middle School provides a comprehensive and balanced national curriculum, enriched with Information Technology, Music, Visual Arts and Physical Education, with English education as a central pillar and a second foreign language option. High School offers university preparation pathways and tailored academic support to strengthen readiness for higher education. BIS is a Candidate School for the International Baccalaureate Diploma Programme and focuses on implementing the IB Diploma Programme in line with IB standards to prepare students for university study in a global context.
Curriculum details
Kilittaşı Schools offer a K–12 dual curriculum that combines the Turkish Ministry of National Education (MEB) program with the Ontario Secondary School Diploma (OSSD). Upon graduation, students receive both the MEB High School Diploma and the OSSD, expanding university options beyond Turkey to Canada, the United States, Europe, and worldwide. The Early Years Program uses English as the language of instruction; English continues in the early grades, French is introduced as a second language, and by Grade 5 students study an intensive French program, with bilingual Turkish–English education continuing and French developing as a third language. Kilittaşı is a DELF–DALF examination center; French language study is supported with international exam opportunities. The curriculum emphasizes critical thinking, research, and problem-solving and is aligned with trilingual education and global standards, preparing students academically and linguistically for university-level expectations through Canadian diploma pathways.
Student teacher ratio
Student teacher ratio
—
Student teacher ratio
—
Exam results
Exam results
—
Exam results
—
Higher education progression
Higher education progression
Structured university preparation pathways with tailored academic support delivered by experienced subject specialists for admission to leading Turkish public universities.
Higher education progression
Graduates are prepared for higher education in Turkey and abroad, with the Ontario Secondary School Diploma (OSSD) enabling admission to universities worldwide. The school provides University Guidance Counseling and tracks university acceptances and program choices.
Gifted and talented
Gifted and talented
Differentiated learning model tailored to individual needs; ongoing academic and social progress monitoring.
Gifted and talented
—
Academic calendar
Academic calendar
—
Academic calendar
—
Wellbeing & support
Wellbeing & support
Social & emotional learning
Social & emotional learning
—
Social & emotional learning
—
Special educational needs (SEN)
Special educational needs (SEN)
—
Special educational needs (SEN)
—
English as an additional language
English as an additional language
—
English as an additional language
—
Mental wellbeing
Mental wellbeing
—
Mental wellbeing
—
Safeguarding
Safeguarding
—
Safeguarding
—
Safeguarding policy
Safeguarding policy
—
Safeguarding policy
—
Facilities
Facilities
Facilities overview
Facilities overview
—
Facilities overview
—
Sports facilities
Sports facilities
—
Sports facilities
—
Academic facilities
Academic facilities
—
Academic facilities
—
Extra curricular facilities
Extra curricular facilities
—
Extra curricular facilities
—
Parent experience
Parent experience
History
History
—
History
—
Community
Community
—
Community
—
Parent teacher association
Parent teacher association
—
Parent teacher association
—
Extra-curricular
Extra-curricular
Academic & intellectual
Academic & intellectual
—
Academic & intellectual
—
Arts & creative
Arts & creative
—
Arts & creative
—
Cultural & language
Cultural & language
—
Cultural & language
—
Social & hobbies
Social & hobbies
—
Social & hobbies
—
Community & service
Community & service
—
Community & service
—
Leadership & professional
Leadership & professional
—
Leadership & professional
—
Lifestyle & wellbeing
Lifestyle & wellbeing
—
Lifestyle & wellbeing
—
Language provision
Language provision
Language provision
Language provision
—
Language provision
—
Bilingual teaching
Bilingual teaching
—
Bilingual teaching
—
Immersion programs
Immersion programs
—
Immersion programs
—
Reputation
Reputation
Awards
Awards
—
Awards
—
Accreditations
Accreditations
—
Accreditations
—
Admissions
Admissions
Admissions
Admissions
1. The prospective family contacts the School by completing the Application Form on the website or by telephoning the School. The Communications Department contacts the prospective family to acknowledge receipt and outline the next steps. 2. An appointment is scheduled for a preliminary visit and a meeting with the Director or the Principal of the School. During the visit: a. The Principal and the School Psychological Counsellor meet the prospective student and administer the School Readiness Assessment for Primary Year 1 in the 2026–2027 Academic Year. b. The Principal and the School Psychological Counsellor meet the prospective student and conduct a general evaluation for students who will be placed in Years 2–8 in the 2026–2027 Academic Year. c. For students applying to High School (Years 9–12) in the 2026–2027 Academic Year, the Principal and the School Psychological Counsellor conduct an interview and a general academic evaluation. Previous school reports and relevant academic records are reviewed as part of the assessment process. 3. The results are shared with the parents. 4. Once the parents decide to proceed with registration, they are informed about the Financial Policy by the Admissions Department and are required to complete the Registration Forms.
Admissions
1. Visit Our Campus. Prospective families are invited to request a campus tour by contacting Kilittaşı admissions. You will tour the school with the Principal and/or Vice Principal, while your child meets with a guidance counsellor for a brief interview, followed by feedback. If in-person visits are not possible, an online meeting can be scheduled to address questions before applying. 2. Receive Offer of Admission. An Offer of Admission is issued, and the next steps are explained after you confirm to proceed with admissions. 3. Complete Your Application. Fill out the online application form and submit it along with your payment receipt and other required documents. 4. Schedule an Enrolment Meeting. After the complete application is received, an enrolment meeting is scheduled to finalize the enrolment of the child.
Scholarships
Scholarships
—
Scholarships
Kilittaşı Scholarships and Discounts are offered in five categories: Education Merit Discount, Sports Discount, State Scholarship, Corporate Discounts, and Alumni Discount. Education Merit Discount applies to 5th–8th grade entrants; in February, a Kilittaşı Giriş Sınavı (KGS) is held, and the top performers within a defined range receive a 100% discount, with additional discounts available for other high performers. For enrolled students, the discount is reassessed annually based on achievement exams and practice tests, with continued eligibility determined by the Scholarships Committee. Sports Discount is awarded to students in specified sports with domestic or international results, starting at 100% and varying by achievement for a one-year period. State Scholarship provides free or subsidized education to a portion of students in accordance with governing regulations, with a minimum target of 3% of the student body. Corporate Discounts apply to children of employees of partner firms, as defined by each corporate agreement. Alumni Discount applies to Kilittaşı alumni and their children. The continuity and adjustment of all discounts/burslar are governed by the Kilittaşı Scholarship Policy, with annual reviews and criteria outlined by the school board.