International School of Zug and Luzern is a private, non-profit international day school in Central Switzerland, serving students aged 3 to 18 across campuses in Baar and Hünenberg. Founded in 1961, ISZL is especially relevant for internationally mobile families living in Zug, Lucerne, and the wider Zurich business region. The school offers a continuous International Baccalaureate pathway through the Primary Years, Middle Years, and Diploma Programmes, alongside flexible High School options including AP, BTEC, and ISZL courses. Its differentiation lies in combining a large, well-resourced international school community with a strong sense of belonging, outdoor learning, and access to Chalet Bergheim in Wengen for alpine experiences. Families often choose ISZL for its academic breadth, non-profit ethos, Central Switzerland location, and strong university preparation.

Located in the beautiful Baar, Zug, International School of Zug and Luzern has been providing exceptional education since 1961. With a student body of 1,200+ students from around the world, the school offers a truly international learning environment with instruction in English.