International School Altdorf is a private co-educational day and boarding school located in the German speaking part of central Switzerland 50min from Zurich.
The school offers students between ages 13-19 years old to study from grade 7-12 (MYP 3,4,5), International Baccalaureate Diploma Programme (IBDP), International Baccalaureate Diploma Programme (IBCP), IGCSE exams, TOEFL and IELTS test center and University foundation program.
With outstanding academic results upon high school graduation most of our students enter top 50 universities worldwide.
Quick Facts (2026)
- Grades: 7-12, PG
- Enrollment: 80 students
- Yearly Tuition (Boarding Students): $70,000
- Yearly Tuition (Day Students): $40,000
- Acceptance rate: n/a%
- Average class size: 15 students
- Application Deadline: None / Rolling
- Source: Verified school update
Top Rankings
International School Altdorf ranks among the top 20 boarding schools (out of 307 schools) for:
Category
Attribute
Boarding Focus
School Overview
Definition of Terms | 2025 School Data
International School Altdorf
School Focus
College Preparatory
Grades Offered
7-12, PG
School Type
Co-ed
ADD/ADHD Support
Supports Learning Differences (LD)
Religious Affiliation
Year Founded
2016
School Calendar
Last Day of School
Sat. Jun 27, 2026
Student Body
Enrollment
80 students
% Students of Color
70%
% International Students
98%
% Students Boarding
98%
Offers Post-Grad Year
Yes
Academic Profile
Saturday Classes
Yes
Frequency of Saturday Classes
Monthly
Classroom Dress Code
Casual
Smart casual
Smart casual
Average Class Size
15 students
Student-Teacher Ratio
15:1
Number of IB Courses Offered
25
ESL Courses Offered
% Faculty with Advanced Degree
100%
Summer Program Offered
# of AP / Advanced Courses Offered
n/a
Courses
Tuition & Financial Aid
Yearly Tuition
(Boarding Students)
(Boarding Students)
$70,000
(Starting fees 50000)
(Starting fees 50000)
Yearly Tuition
(Day Students)
(Day Students)
$40,000
(Starting fees 25000)
(Starting fees 25000)
Avg. Financial Aid Grant
$15,000
Merit Scholarships Offered
Admissions
Application Deadline
None / Rolling
Average Percentile SSAT
n/a%
Director of Admissions
Maria Helgesson
School Notes
- International School Altdorf is an inclusive international school welcoming students from all over the world. With nature just around the corner, our school is surrounded by the stunning Swiss Alps and the beautiful Lake Lucerne. Our community is instilled with the feeling of a home not far away from home - academics combined with extra curricular activities and sports is the very foundation of our schools success.
- Our school strives to provide excellence in education and believe that collaboration, communication, creativity and critical thinking are essential to successfully navigate in a fast-changing world.
- Our school offers the internationally recognized MYP, IBDP, IBCP and University Preparation programs as well as a summer program and classes to prepare for IELTS, TOEFL and SAT exams that can be taken at our certified test centre on our campus.
- International School Altdorf is also pleased to offer scholarships to highly capable students who meet strict academic requirements and demonstrate their future potential. Please note that this is a highly competitive and limited scholarship opportunity. For more information contact by email admission@lisa.swiss
- With a strong focus on academics, our students also participate in the European Physics Olympiads and the World Olympic Mathematic Competition. Through outside collaborations with pharmaceutical companies and attending UNWTO meetings, our students also get the chance to apply their academic experience outside of the classrooms.
- At International School Altdorf our experienced and dedicated team of teachers accompany and guide our students on their journey to make the most of both their educational achievements as well as on a personal development level. With the assistance of our professional university guidance counseling team, most of our students are accepted to top 50 universities worldwide upon graduation.
Source: Verified school update
Frequently Asked Questions
How much does International School Altdorf cost?
International School Altdorf's tuition is approximately $70,000 for boarding students and $40,000 for day students.
What is International School Altdorf's ranking?
International School Altdorf ranks among the top 20 boarding schools for High percentage of boarding students.
When is the application deadline for International School Altdorf?
The application deadline for International School Altdorf is rolling (applications are reviewed as they are received year-round).
Related Schools
Show me:
People that viewed International School Altdorf also viewed these schools: TASIS The American School in Switzerland, Ashbury College, Leysin American School in Switzerland (LAS), Ecole d'Humanité and Brentwood College School.
The nearest boarding school to International School Altdorf is Ecole d'Humanité (23.1 miles away)
School
Location
Miles
Quick Facts
Via Collina d'Oro
Montagnola, Switzerland 6926
41919605151
Montagnola, Switzerland 6926
41919605151
63 miles
Gr: 6-12, PG | PK-12, PG (day) | 737 students Student-teacher ratio: 6:1 Avg. class size: 13 students Acceptance rate: 70% Tuition listed
362 Mariposa Avenue
Ottawa, Canada K1M 0T3
(613) 749-9630
Ottawa, Canada K1M 0T3
(613) 749-9630
3828.5 miles
Gr: 9-12 | 4-12 (day) | 750 students Student-teacher ratio: 8:1 Avg. class size: 17 students Acceptance rate: 65% Tuition listed
Chemin de la Source 3
Leysin, Switzerland 1854
0041244934872
Leysin, Switzerland 1854
0041244934872
85.9 miles
Gr: 7-12, PG | 300 students Student-teacher ratio: 4:1 Avg. class size: 10 students Acceptance rate: 64% Tuition listed
Gmeindi 318b
Hasliberg Goldern, Switzerland 6085
41339729292
Hasliberg Goldern, Switzerland 6085
41339729292
23.1 miles
Gr: 8-12, PG | 110 students Student-teacher ratio: 4:1 Avg. class size: 6 students Acceptance rate: 75% Tuition listed
2735 Mt. Baker Road
Mill Bay, BC V8H 1K8, Canada 1
(250) 743-5521
Mill Bay, BC V8H 1K8, Canada 1
(250) 743-5521
5239.5 miles
Gr: 9-12, PG | 8-12, PG (day) | 535 students Student-teacher ratio: 8:1 Avg. class size: 16 students Acceptance rate: 30% Tuition listed
Recent Articles
What Happens During School Breaks for Boarding Students Who Stay on Campus
Learn what happens during school breaks for boarding students who remain on campus, including housing, meals, activities, supervision, and support services.
A Day in the Life of a Dorm Parent: Inside Residential Faculty Life
A day in the life of a dorm parent: how residential faculty support, mentor, supervise, and guide students while building community and shaping the boarding school experience.
How Boarding Schools Assign Dorms, Advisors & Schedules
Learn how boarding schools assign dorm rooms, faculty advisors, and class schedules, and what families should expect before move-in day.
