Préfleuri International Alpine School
International School Altdorf
| General | ||
| Founded | 1,948 | 2,016 |
| Location | Villars-sur-Ollon, Vaud | Altdorf, Uri |
| Altitude | 1,200m | 450m |
| Gender Policy | co-ed | co-ed |
| Age Range | 3–13 | 13–19 |
| Campus Size | 3 hectares | 2 hectares |
| Academics | ||
| Curricula | IGCSE, French Baccalaureate | IB |
| Teaching Languages | English, French | English |
| Average IB Score | N/A | 36 |
| Student:Teacher Ratio | 1:4 | 1:6 |
| Accreditations | CIS, Swiss Federation | IB |
| Student Body | ||
| Total Students | 80 | 80 |
| Boarding Students | 70 | 40 |
| Day Students | 10 | 40 |
| Nationalities | 25 | 20 |
| Fees & Costs | ||
| Tuition (from) | CHF 55’000 | CHF 55’000 |
| Tuition (to) | CHF 72’000 | CHF 75’000 |
| Registration Fee | CHF 1’500 | CHF 1’500 |
| Deposit | CHF 8’000 | CHF 8’000 |
| Hidden Fees (annual) | CHF 2’700 | CHF 4’000 |
| True Annual Cost | CHF 74’700 | CHF 79’000 |
| Features | ||
| Summer Program | ||
| Viewbook Available | ||
Préfleuri — Facilities
Sports
ISA — Facilities
Sports
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Préfleuri International Alpine School vs International School Altdorf: Which Is Right for Your Family?
Both Préfleuri International Alpine School (founded 1948) and International School Altdorf (founded 2016) are among Switzerland's most respected boarding schools. Located in Villars-sur-Ollon, Vaud and Altdorf, Uri respectively, each offers a distinctive approach to education.
Academics: Préfleuri offers IGCSE and French Baccalaureate curricula, while ISA provides IB.
Cost: Annual tuition starts at CHF 55’000 for Préfleuri and CHF 55’000 for ISA. Including hidden fees, the true annual cost is approximately CHF 74’700 and CHF 79’000.
Community: Préfleuri has 80 students from 25 countries, while ISA has 80 students from 20 countries. Both maintain small class sizes with student-teacher ratios of 1:4 and 1:6.