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School comparison · Istanbul
Side-by-side comparison · Updated 2026-04-26 · Both schools in Istanbul
| Metric | Keystone International Schools | Steps International School |
|---|---|---|
| Curriculum | Canadian | American |
| Qualifications | AP and OSSLT | — |
| Ages served | Ages 3 to 18 | Ages 3 to 18 |
| Language of instruction | English |
| English |
| Students | 250 | — |
|---|
| Nationalities | 42 | — |
|---|
| Avg class size | 18 | — |
|---|
| Admissions | Moderate | Open |
|---|
| Accreditations | WASC | — |
|---|
Highlighted cells indicate which school holds the more favourable value for arriving expat families on that dimension (e.g. lower tuition, smaller class size, higher Value Score, more open admissions). Some rows are neutral.
Full profile · Keystone International Schools
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Full profile · Steps International School
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Best value in Istanbul
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True annual cost in Istanbul
All schools ranked by total annual cost →
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