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ISA vs KLAS

A detailed side-by-side comparison of two leading Swiss boarding schools. See how they compare on tuition, curricula, student body, facilities, and more.

International School Altdorf

Altdorf, Uri
Founded 2016
80 students
20 nationalities
From CHF 55’000
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Kumon Leysin Academy of Switzerland

Leysin, Vaud
Founded 1990
70 students
15 nationalities
From CHF 60’000
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Category
ISA
KLAS
General
Founded2,0161,990
LocationAltdorf, UriLeysin, Vaud
Altitude450m1,260m
Gender Policyco-edco-ed
Age Range13–1915–18
Campus Size2 hectares2 hectares
Academics
CurriculaIBHigh School Diploma
Teaching LanguagesEnglishEnglish, Japanese
Average IB Score36N/A
Student:Teacher Ratio1:61:5
AccreditationsIBNEASC
Student Body
Total Students8070
Boarding Students4070
Day Students400
Nationalities2015
Fees & Costs
Tuition (from)CHF 55’000CHF 60’000
Tuition (to)CHF 75’000CHF 78’000
Registration FeeCHF 1’500CHF 2’000
DepositCHF 8’000CHF 10’000
Hidden Fees (annual)CHF 4’000CHF 3’500
True Annual CostCHF 79’000CHF 81’500
Features
Summer Program
Viewbook Available

ISA — Facilities

Modern CampusScience LabsIT CenterSports HallStudent ResidenceLibrary

Sports

FootballBasketballSwimmingSkiingHikingClimbingVolleyball

KLAS — Facilities

Study CenterScience LabComputer LabSports HallSki RoomLibraryDining Hall

Sports

SkiingSnowboardingHikingTennisFootballBasketballFitness

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International School Altdorf vs Kumon Leysin Academy of Switzerland: Which Is Right for Your Family?

Both International School Altdorf (founded 2016) and Kumon Leysin Academy of Switzerland (founded 1990) are among Switzerland's most respected boarding schools. Located in Altdorf, Uri and Leysin, Vaud respectively, each offers a distinctive approach to education.

Academics: ISA offers IB curricula, while KLAS provides High School Diploma.

Cost: Annual tuition starts at CHF 55’000 for ISA and CHF 60’000 for KLAS. Including hidden fees, the true annual cost is approximately CHF 79’000 and CHF 81’500.

Community: ISA has 80 students from 20 countries, while KLAS has 70 students from 15 countries. Both maintain small class sizes with student-teacher ratios of 1:6 and 1:5.