International School of Schaffhausen is a private international day and boarding school in Schaffhausen, Switzerland, offering English-language education from nursery through to the IB Diploma. As an IB World School, ISSH follows the Primary Years Programme in the early and primary years, a bespoke secondary curriculum with strong IB preparation, and senior pathways including the full IB Diploma, individual IB courses, and an accredited High School Diploma. Its differentiation lies in its smaller, community-minded environment, integrated STEM focus, and flexible academic routes for students with different university ambitions. Boarding is available for older students, with an emphasis on independence, responsibility, and life skills. Families often choose ISSH for its personal scale, international outlook, structured support, and access to high-quality education outside Switzerland's larger school hubs.

Located in the beautiful Schaffhausen, International School of Schaffhausen has been providing exceptional education since 1999. With a student body of 250 students from around the world, the school offers a truly international learning environment with instruction in English & German.