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School comparison · Tokyo
Side-by-side comparison · Updated 2026-04-26 · Both schools in Tokyo
| Metric | Gregg International School | Seisen International School |
|---|---|---|
| Curriculum | — | IB |
| Qualifications | — | IB Diploma and PSAT |
| Ages served | Ages 2 to 12 | Ages 3 to 18 |
| Language of instruction |
| English |
| English |
| True annual cost? | — | $19,787 |
|---|
| Hidden fee %? | — | +29% |
|---|
| First-year cost? | — | $22,287 |
|---|
| WhereNext Value Score? | — | 68/100 |
|---|
| Cost percentile (city)? | — | 57th |
|---|
| Students | 15 | 695 |
|---|
| Nationalities | — | 42 |
|---|
| Avg class size | — | 20 |
|---|
| Admissions | Open | Competitive |
|---|
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 · Gregg International School
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Full profile · Seisen International School
View the full Seisen International School school profile →
Best value in Tokyo
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True annual cost in Tokyo
All schools ranked by total annual cost →
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