Which school is more diverse: Istanbul International School or Keystone International Schools?

Istanbul International School draws students from 55 nationalities; Keystone International Schools draws from 42. Istanbul International School has the broader international community by this measure.

How do admissions compare between Istanbul International School and Keystone International Schools?

Istanbul International School has Moderate admissions; Keystone International Schools has Moderate admissions. The WhereNext Admissions Openness scale combines waiting-list status, admissions cadence, mid-year entry availability, and entry evaluation requirements.

WhereNext

Start case

Istanbul International School vs Keystone International Schools: Cost, Curriculum & Admissions Compared (Istanbul) | WhereNext

School comparison · Istanbul

Istanbul International School vs Keystone International Schools

Side-by-side comparison · Updated 2026-04-26 · Both schools in Istanbul

Quick answer

Different curricula: Istanbul International School offers British, Keystone International Schools offers Canadian. Istanbul International School has a more diverse student body (55 nationalities vs 42).

Want a fit-ranked shortlist for YOUR family across Istanbul? Free in 60 seconds.

Build family shortlist (free) →

Istanbul International School vs Keystone International Schools side-by-side comparison
Metric	Istanbul International School	Keystone International Schools
Curriculum	British	Canadian
Qualifications	IGCSE and A-Levels

Istanbul International School vs Keystone International Schools

Frequently asked: Istanbul International School vs Keystone International Schools

Want a personalised recommendation between these two?