SIS Swiss International School Basel

Switzerland, Basel

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The school at a glance

Instructs in German, English

Fees CHF 22,820 - 34,020

Ages 3 - 18 years

Pupil numbers 500

Type Co-educational

Opened 1999

Bus Service No

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SIS Basel International School Basel is a bilingual day school in Basel, Switzerland for students aged 3 to 18. The school offers a bespoke curriculum that combines the Lehrplan 21 with the British curriculum and SIS-developed content, enabling a 50/50 split of English and German from kindergarten through college. Children learn across six curriculum areas: Personal and Social Development; Language Development; Mathematics; Knowledge and Understanding of the World; Physical Development; and Creative Development, taught through immersion with two language teachers and alternating days. The school operates from 7:30 a.m. to 6 p.m., with integrated before- and after-school care, lunch supervision, and a range of clubs and regular trips. With around 500 students, SIS Basel emphasises bilingual education and international-mindedness, guided by Principal Marcel Brunner since August 2023. Facilities include an outdoor football field, a cafeteria, and technology-enhanced learning across Kindergarten to SIS Bilingual College, including the IB Diploma Programme today.

Academic offering

Curriculum British Curriculum, Swiss Curriculum

Taught languages French

Typical class size 15

Strengths Sport, Languages, Academic Enrichment

Clubs Academic and Intellectual, Cultural and Language, Community and Service

Stages Early Years, Primary School, Secondary School, Sixth Form

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School Events

Past Events

SIS Basel-Allschwil: Open House in Basel-Allschwil. Register now!

Programme: Visit our campus and get a glimpse of the bilingual school life. The school principal is ...

Wednesday, 6 May 2026 at 09:00 CEST SIS Basel-Allschwil, Hegenheimermattweg 167c, 4123 Allschwil, Switzerland

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SIS Swiss International School Basel

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