International School Altdorf is a private international boarding and day school in Altdorf, Switzerland, located in the German-speaking heart of Central Switzerland within easy reach of Zurich and Lucerne. The school focuses on students in the senior years, offering English-language academic pathways that include the IB Middle Years Programme, International Baccalaureate Diploma Programme, Cambridge IGCSE, TOEFL and IELTS preparation. Its smaller setting gives families a more contained alternative to Switzerland's larger international schools, with boarding designed around a family-style residential culture and close supervision. What differentiates International School Altdorf is its combination of Swiss mountain surroundings, internationally recognised qualifications, and a focused university-preparation environment for teenagers. Families often choose it for its structured academic support, safe location, boarding care, and access to outdoor activities in Central Switzerland.

Located in the beautiful Altdorf, Uri, International School Altdorf has been providing exceptional education since 2017. With a student body of 80 students from around the world, the school offers a truly international learning environment with instruction in English & German.