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School comparison · Seoul
Side-by-side comparison · Updated 2026-04-26 · Both schools in Seoul
| Metric | Cornerstone Collegiate Academy of Seoul | Korea International School Seoul |
|---|---|---|
| Curriculum | American | American |
| Ages served | Ages 3 to 18 | Ages 3 to 11 |
| Language of instruction | English | English |
| True annual cost? |
| — |
| $27,738 |
| Hidden fee %? | — | +12% |
|---|
| First-year cost? | — | $29,238 |
|---|
| WhereNext Value Score? | — | 58/100 |
|---|
| Cost percentile (city)? | — | 75th |
|---|
| Students | 480 | 155 |
|---|
| Nationalities | — | 18 |
|---|
| Admissions | Open | Open |
|---|
| Accreditations | MSA-CESS | — |
|---|
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 · Cornerstone Collegiate Academy of Seoul
View the full Cornerstone Collegiate Academy of Seoul school profile →
Full profile · Korea International School Seoul
View the full Korea International School Seoul school profile →
Best value in Seoul
All schools ranked by WhereNext Value Score →
True annual cost in Seoul
All schools ranked by total annual cost →
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