Switzerland, Zug
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Zurich International School (ZIS) is a non-profit, co-educational day school in the Greater Zurich area, serving ages 3 to 18. Founded in 1963, it operates as a non-profit foundation governed by a Board of Trustees. Two campuses host Primary and Secondary programs. The school offers a bilingual pathway with daily German and English instruction, guided by Lehrplan 21, and pathways to the IB Diploma Programme or AP courses in the Upper School, plus a ZIS Diploma with Honors. Diploma requirements include 23 credits across core areas, three AP or IB HL courses in at least two subjects, a 3.0 GPA, and no final-year grade below C. ZIS uses learning technology to support inquiry-driven learning and a co-curricular program (ATAC) with over 40 activities, including STEM clubs, performing arts, and Model United Nations. Distinctive features include a Design Lab, WorldFest, Service Learning, and links to local and international communities.
Steinacherstrasse 140, 8820 Wädenswil, Switzerland
Zurich International School - Primary Campus has 400 pupils, typical class sizes of 15, instruction in English, German.
Steinacherstrasse 140, 8820 Wädenswil, Switzerland. The school is in the Greater Zurich area and accessible by road and public transport. It operates across two age-appropriate campuses: Primary Campus (Early Childhood and Lower School) and Secondary Campus (Middle and Upper School).
Lower School (ages 3-11); Middle School (ages 11-14); Upper School (ages 14-18).
Inclusive non-profit day school; bilingual and international education; co-educational.
Over 400 students from over 50 nations.
English language learner support; academic and behavioural support; social and emotional support; Individualised Learning Support (ILP); speech and language support in English; counseling.
Switzerland
School Day: Before school care from 07:00; morning supervision from 08:00-08:20; classes run from 08:30 to 15:20 (Wednesday 14:20); after-school activities until 16:20 (15:20 on Wednesdays); after-school care until 18:00; hot meals available in the cafeteria.
School bus service covering parts of Greater Zurich and Zug areas.
Annual tuition at Zurich International School - Primary Campus ranges from CHF 27,750 to CHF 32,800 for 2026/27.
Zurich International School - Primary Campus teaches IB (PYP), Swiss Curriculum for students aged 3 to 11.
ZIS is an inclusive, non-profit day school in the Greater Zurich area that delivers comprehensive bilingual and international educational programs for local and foreign national students aged 3 to 18. The Upper School provides a flexible, rigorous English-language curriculum with pathways to the IB Diploma Programme and Advanced Placement (AP) courses, including a Grade 11-12 pathway to a ZIS Diploma with AP courses, and a separate IB Diploma pathway. The ZIS Diploma with Honors is awarded to a student who completes the ZIS diploma requirements, including three AP or IB Higher Level courses in at least two subject areas, maintains a 3.0 GPA across the final four semesters, and has no final-year grade lower than C. Course credits total 23 and must cover English, World Languages, Social Studies, Mathematics, Science, Creative Arts, Physical Education and Health, plus Electives; IB Diploma candidates must also satisfy IB requirements. External examinations may be taken for AP or IB courses, with exam fees varying by type and number. Availability of courses depends on student interest, staffing and scheduling.
IB Diploma Results: The IB Diploma Programme is scored 0-45. IB Diploma Score Distribution: 40–45 points: ZIS 21% | World 9%; 35–39 points: ZIS 36% | World 21%; 30–34 points: ZIS 29% | World 28%; 25–29 points: ZIS 13% | World 28%. IB Diploma Highlights: 40% of students earned a bilingual IB Diploma. 92 students were IB Diploma candidates. 98% of candidates successfully passed the IB Diploma. The average IB Diploma score was 35 points. IB Results by Subject: Studies in Language and Literature (ZIS 5.47 vs World 4.90), Language Acquisition (ZIS 5.79 vs World 5.20), Individuals and Societies (ZIS 5.67 vs World 4.80), Experimental Sciences (ZIS 5.31 vs World 4.50), Mathematics (ZIS 5.59 vs World 4.40), Arts (ZIS 5.00 vs World 4.30).
98% of ZIS graduates go on to attend university in Switzerland or internationally.
Honors Diploma is awarded to students who complete the ZIS high school diploma requirements, including three AP or IB Higher Level courses in at least two subject areas, maintain a 3.0 GPA across the final four semesters, and have no final-year grade lower than a C.
STEP 1: Complete the Online Application Form. To start the application, fill in the online application form, enter your payment details, and send it to ZIS. You will need to create an account; if you have already submitted an Inquiry Form, please use the same login. Our application fee is CHF 500 per child (plus credit card fees). This fee is non-refundable and does not guarantee admission.
STEP 2: Submit Your Documents. All Applicants: a general teacher recommendation form and a copy of the photo page of your child's passport. Lower or Middle School Applicants: the most recent report card or end-of-year report; Preschool and Kindergarten: send if available; an English teacher recommendation form if in Grades 6–8. Upper School Applicants: the most recent report cards from the last two years; an English teacher recommendation form; a Mathematics teacher recommendation form. All documents must be in English or accompanied by an English translation. If the child has a diagnosis or requires additional learning support, provide additional information including recent diagnostic reports and the student's IEP; reports should be in English and within the last three years. The school reserves the right to offer a conditional place pending receipt of all required documents.
STEP 3: Review. After documents are received, the Academic Review Team will evaluate the application. If the child has a diagnosed learning difference or receives learning support, processing may take longer. The school aims to respond within ten working days. A face-to-face meeting is not usually required, but the Principal may meet in person or via phone in some cases. If files are approved: the Enrollment Team will contact you to offer a place if available; you will receive a Confirmation of Acceptance upon payment of the full, non-refundable infrastructure contribution fee. If no places are available, the child will be placed in the “waiting pool” and you will be contacted as soon as a space opens up. The school may require subject-related tests after acceptance to ensure placement at the right level. Applications are only approved if all requested documentation is provided and the application fee is paid. You can contact the Enrollment Team for guidance at any time.
If no places are available, the child will be placed in the 'waiting pool' and you will be contacted as soon as a space opens up.
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