Edited by Giulia Ceccon · Chief Marketing Officer
If you're researching international schools in Sonderborg, Denmark, this page lists every school we know of and lets you sort, filter and compare them — without school marketing in the way. The most common curriculum is Cambridge (Secondary), taught by 1 of the schools below. Annual tuition spans roughly 20,350–32,025 DKK, with the average sitting around 26,188. The oldest school listed is Sønderborg International School, opened in 2007.
Compare 1 international schools in Sonderborg, Denmark. Filter by curriculum, fees (average DKK 26,188), location, and more to find the right international school now.
Sønderborg International School (SIS) is a Cambridge International School in Denmark offering a Cambridge-based path from Primary through Upper Secondary with a Nordic context. The campus serves pupils aged 3–16 across Primary (Year 1–4), Lower Secondary (Year 5–7) and Upper Secondary (Year 8–10). The curriculum blends Cambridge instruction with a bespoke Danish‑English program, small class sizes, and cross‑curricular learning that includes Forest School. In Upper Secondary, students pursue Cambridge IGCSE qualifications, studying English, Maths, Science, Global Perspectives, Danish, German, History and Business Studies, with Danish First Language available for native speakers. The school's Kindergarten, founded in 2016 in a private‑public partnership with Sønderborg Municipality, anchors early years in a wider community. Facilities include accessible academic spaces and opportunities to tour during Open School Day. Extracurriculars feature a Student Council, Career Week, and an After School Program, while Life Skills and experiential learning underpin daily education. A welcoming, globally aware community.
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