Schools/Turkey/Istanbul/Keystone International Schools
Turkey — Istanbul

Keystone International Schools

Küçük Çamlıca Campus: Gülhan Sok. 1-2, Üsküdar, 34660, Istanbul, Turkey; Çekmeköy Campus: Süleymaniye Cd. No:20B, Çekmeköy, 34782, Istanbul, Turkey
Canadian CurriculumIB (DP)Rolling Admissions
Keystone International Schools logo
Data verified from public sources
Annual Fees$ 21,000 – $ 25,000
Ages3 – 18

Keystone International Schools is a Canadian Curriculum / IB (DP) school in Istanbul, Turkey. Founded in 2011. Annual tuition ranges from $21,000 to $25,000 USD.

Location & Getting There

Küçük Çamlıca Campus: Gülhan Sok. 1-2, Üsküdar, 34660, Istanbul, Turkey; Çekmeköy Campus: Süleymaniye Cd. No:20B, Çekmeköy, 34782, Istanbul, TurkeyOpen in Maps

NanaSays Scorecard

Est. 2011
Year Founded
Boarding Available
EAL Support
SEN Support
Rolling Admissions

Key Details

Curricula Offered
Canadian CurriculumYes
IB (DP)Yes
Support Services
EAL SupportYes
SEN SupportNo
WellbeingNo
Bus ServiceNo
Accreditations
WASC
Languages of Instruction
EnglishFrench

Key facts

Founded
2011
Ages
3–18

About

Keystone International Schools is a co-educational day school in Istanbul, Turkey, serving approximately 250 students aged 3–18 across two campuses in Küçük Çamlıca and Çekmeköy. The school follows the Prince Edward Island (PEI) Canadian Diploma program for Grades 1–12, with English as the primary language of instruction and a CEFR-aligned French program offered alongside. Accredited by WASC, the school features a four-house system, project-based learning, and signature international programs including a France trip and a Toronto School Experience.

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

Why Families Choose

Keystone is an accredited Canadian offshore school offering the Prince Edward Island (PEI) Canadian Diploma, giving students access to the PEI Ministry of Education online library and a recognized Canadian high school diploma. The school operates two Istanbul campuses plus a Toronto Campus. Signature programs include a France trip, a Toronto School Experience, and participation in Round Square conferences. A CEFR-aligned French streaming program with intensive options distinguishes its language provision. WASC accreditation and a blended/asynchronous learning model via Canvas further differentiate the school.

Fees & Financials

Grade / YearAnnual Fee
Primary (Grades 1-6)TRY 24,000
Kindergarten (Ages 3-5)TRY 21,000
High School (Grades 10-12)TRY 25,000
Middle School (Grades 7-9)TRY 25,000

Conversions to USD use exchange rates as of April 2026.

Original currency: TRY 22,750 - 26,750. Application fee: $1,750.

Admissions Process

  1. 1Learn About the School: Visit in person during school hours or arrange a Zoom meeting if abroad. Request a school tour via the online form. 2. Apply: Complete the Registration Form in person or online; the admissions team reviews the application and confirms next steps. 3. Exams and Interviews: Assessments and interviews are scheduled based on the child's grade level to evaluate academic readiness and cultural fit. 4. Admissions Decision: Families are informed of the decision within 5 days of completing the assessment process, with next steps for enrolment provided.

Admissions Details

Application Deadline
Rolling

Student Life

House System

Keystone operates a four-house system: Orcas, Hawks, Lynxes, and Caribous. Students and teachers from Grades 1–12 are assigned to a house and remain in it throughout their time at the school. House points are earned for participation, achievement, and behavior, contributing to an annual House Trophy. Each house is led by two Captains from Grades 11–12 who coordinate with the Student Council and lead house activities.

Uniform

Uniforms must be worn Monday–Thursday; Fridays may be casual attire within the dress code. PE uniform is required on PE days; uniforms must be worn on school trips. No makeup, offensive imagery, or excessive accessories are allowed.

Food & Dining

Meals are balanced and cooked fresh with seasonal ingredients; no chicken, pork, GMOs, or processed foods are used. Snacks include fruits; water bottles should be brought from home. Lunch is included in tuition for all students except high school; high school students may bring lunch, purchase from the school, or buy cafeteria food.

Clubs & Activities
Arts and CreativeCultural and LanguageAcademic and Intellectual

Facilities & Programmes

Sports
Swimming Pool
Indoor Basketball Courts
Outdoor Basketball Courts
Dance Rooms
Gym
Arts
Music
Dance
Visual Arts
Academic
Library
Digital Resources
Canvas Learning Platform
Co-Curricular
Field trips to historic sites
Science museum visits
Cultural venue visits
France trip
Toronto School Experience
Round Square conferences

Student Demographics

Age Range
318
Kindergarten
Primary School
Middle School
High School

School Background

Governance & Ownership

The school is governed by an Advisory Board. Sema Kizilkaya is the founder of Istanbul-based Keystone International & Kilittaşı Schools. Keystone operates campuses in Istanbul and a Toronto Campus as part of its network.

Sports Programme

Facilities
Swimming PoolIndoor Basketball CourtsOutdoor Basketball CourtsDance RoomsGym

Frequently Asked Questions

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