International School Altdorf
| General | ||
| Founded | 2,016 | 1,966 |
| Location | Altdorf, Uri | Blonay, Vaud |
| Altitude | 450m | 650m |
| Gender Policy | co-ed | co-ed |
| Age Range | 13–19 | 6–18 |
| Campus Size | 2 hectares | 3 hectares |
| Academics | ||
| Curricula | IB | French Baccalaureate, Swiss Matura |
| Teaching Languages | English | French |
| Average IB Score | 36 | N/A |
| Student:Teacher Ratio | 1:6 | 1:4 |
| Accreditations | IB | Swiss Federation |
| Student Body | ||
| Total Students | 80 | 60 |
| Boarding Students | 40 | 50 |
| Day Students | 40 | 10 |
| Nationalities | 20 | 25 |
| Fees & Costs | ||
| Tuition (from) | CHF 55’000 | CHF 50’000 |
| Tuition (to) | CHF 75’000 | CHF 68’000 |
| Registration Fee | CHF 1’500 | CHF 1’000 |
| Deposit | CHF 8’000 | CHF 5’000 |
| Hidden Fees (annual) | CHF 4’000 | CHF 6’000 |
| True Annual Cost | CHF 79’000 | CHF 74’000 |
| Features | ||
| Summer Program | ||
| Viewbook Available | ||
ISA — Facilities
Sports
Chantemerle — Facilities
Sports
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International School Altdorf vs Chantemerle: Which Is Right for Your Family?
Both International School Altdorf (founded 2016) and Chantemerle (founded 1966) are among Switzerland's most respected boarding schools. Located in Altdorf, Uri and Blonay, Vaud respectively, each offers a distinctive approach to education.
Academics: ISA offers IB curricula, while Chantemerle provides French Baccalaureate and Swiss Matura.
Cost: Annual tuition starts at CHF 55’000 for ISA and CHF 50’000 for Chantemerle. Including hidden fees, the true annual cost is approximately CHF 79’000 and CHF 74’000.
Community: ISA has 80 students from 20 countries, while Chantemerle has 60 students from 25 countries. Both maintain small class sizes with student-teacher ratios of 1:6 and 1:4.