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School comparison · Mexico City
Side-by-side comparison · Updated 2026-04-26 · Both schools in Mexico City
| Metric | Peterson Schools | Westhill Institute |
|---|---|---|
| Curriculum | IB, American | IB, American |
| Ages served | Ages 2 to 18 | Ages 3 to 18 |
| Language of instruction | — | English |
| Students | 1,883 | 760 |
| Nationalities |
|---|
| 45 |
| 44 |
| Avg class size | 18 | 15 |
|---|
| Admissions | Open | Open |
|---|
| Founded | 1965 | — |
|---|
| Accreditations | IBO, CIE | 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 · Peterson Schools
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Full profile · Westhill Institute
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Best value in Mexico City
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True annual cost in Mexico City
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