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2024 – 2025 Academic Year

Admissions are still open!

Contact us now and learn more about what an international life-changing education at International School Altdorf in Switzerland could mean for you.

Welcome to International School Altdorf!

If you are searching for a boarding school in the heart of Switzerland, look no further. We welcome students from all over the world to take part of what we believe modern education should be all about – collaboration, communication, creativity and critical thinking.

IB (International Baccalaureate) DP & CP Programs

✓ IB (International Baccalaureate) MYP and Cambridge IGCSE Programs
Excellent academic track record
We welcome students from all over the world aged 14-19
Affordable boarding and tuition fees
✓ Swiss quality, safety & healthcare
Discover the Alps & Europe!

30min to Luzern, 1h to Zurich, 1.5h to Italy, France, Germany & Austria.

Your Home Away From Home

We understand what it means to live and study away from home. 

Switzerland is consistently ranked at the very top of almost every international country ranking out there. We have excellent healthcare, very low crime rates, pristine nature and a quality of life matched by few (if any!) other countries in the world. With full support from our teachers and faculty members we take great care of making sure that everyone feels welcome as they arrive. Our students can choose to stay in double or triple rooms and will quickly get to know people from all over the world and form lifelong friendships.

Academics at International School Altdorf

International School Altdorf offers day and boarding students a focused and motivating learning environment.

We take great pride in our students’ academic achievements. With excellent average graduation scores our students are consistently accepted into top universities all over the world.

Our students enjoy a holistic academic experience guided by committed and engaged teachers and faculty members. We offer the internationally recognized IB DP, IB CP, IB MYP and Cambridge IGCSE programs, Summer & Winter camps as well as classes for the IELTS, TOEFL and SAT exams.

Campus Life

At International School Altdorf, students are instilled with a sense of responsibility, even when it comes to extracurricular activities.

Our students have access to a wide range of extracurricular resources on campus, including facilities for tennis, basketball, football, volleyball, swimming as well as a student-run animal shelter. Our school is located at the very base of the Swiss Alps with views over beautiful Lake Lucerne and outdoor activities simply become a natural part of everyday life. We believe extracurricular activities are an important part of our students’ personal development and encourage everyone to actively participate, meet new friends, join clubs and challenge themselves outside of the classroom.


Our Surroundings

Science Lab

Sports Facilities

Animal Shelter

Cooking Club

Swimming Pool

Field Trips

Student Testimonials



United Kingdom

“The teachers are really kind and their way of teaching is really interesting. They are also very motivating. In addition, I have joined so many extracurricular activities, such as art club, cooking club and snowboarding, which always made me feel energized. Overall, having this experience has made me stronger.”




“Over the past two years, I have not only gained a lot of knowledge from my kind teachers, but I have also stepped outside my comfort zone and experienced what it is like to live in a new foreign language environment. I am sincerely grateful to have had such a unique experience and to have studied and lived with my classmates. I’m pretty sure this unforgettable experience will benefit me for life.”




“For me, International School Altdorf is my second home. It’s a place where I can enjoy life and make progress out of mistakes. I have learned about the importance of self-discipline and have become a principled person thanks to the help of friends and teachers. Free-time after class is always full of various activities. These relaxing exercises enable me to maintain a well-rounded lifestyle. I strongly believe that choosing to study at LISA in this gorgeous country is the best life decision I have made so far.”




“International School Altdorf is my second home. I really like the learning environment, the location of the school, my international friends and the help and support that the school provides me with. I feel this is the right school for me to academically be challenged and to reach my full potential. I am confident in saying that all the knowledge and experience I learn from being a student here will better prepare me for my future.”

How many students are currently enrolled?

There are currently 80 boarding school students enrolled, however we accept day-school students as well.

How many students are in each class?

Class size depends on the popularity of the course. Some classes have as few as five students, but no class has more than 20. Classes are limited to about 10 students. Our small class sizes allow teachers to take responsibility for our students’ personal growth and encourage their curiosity. Small class size leads to excellent academic results, enabling our students to receive acceptance to some of the most prestigious universities in the world.

How many students share a room?

Our on-campus accommodation has double and triple rooms, with two and three students per room respectively.

What do students do on weekends?

In addition to completing homework assignments, there is a wide range of activities on and around campus.

Are students provided help to apply to universities?

Yes, we help students research and choose their universities as well as apply to the schools they choose.

Academic Excellence Scholarship Program 2023-24

International School Altdorf is pleased to offer scholarships to highly capable students who meet the strict academic requirements and demonstrate their potential. This is a highly competitive and limited scholarship opportunity for the 2022-23 academic year and each student’s application material will be closely reviewed by the Head of Global Admissions and Head of School. Contact us now to learn more about our scholarships!

Oscar at International School Altdorf

Oscar was one of our scholarship students in 2017. During his time in Altdorf, he won a Gold Medal at the European Physics Olympic Competition and was later accepted to Oxford University.


  1. IELTS score of 6.5 or higher
  2. Excellent academic results
  3. Recommendation letter from a teacher at your current school
  4. Online language test
  5. Interview with the Head of School

Frequently Asked Questions

International School Altdorf

St. Josefsweg 15, 6460 Altdorf

+41 22 557 2812 (Admissions Office)
+41 76 690 9288 (Mobile/WhatsApp)


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