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School comparison · Istanbul
Side-by-side comparison · Updated 2026-04-26 · Both schools in Istanbul
| Metric | Keystone International Schools | Uskudar American Academy |
|---|---|---|
| Curriculum | Canadian | IB |
| Qualifications | AP and OSSLT | — |
| Ages served | Ages 3 to 18 | Ages 13 to 18 |
| Language of instruction | English |
| English |
| Students | 250 | 881 |
|---|
| Nationalities | 42 | — |
|---|
| Avg class size | 18 | 21 |
|---|
| Admissions | Moderate | Open |
|---|
| Accreditations | WASC | IBO |
|---|
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 · Uskudar American Academy
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Best value in Istanbul
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True annual cost in Istanbul
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