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Most popular international schools in Zug

· updated monthly

The five schools Zug parents researched most this year, chosen from the 36 international schools in the city. Ranked by how many families opened each school’s profile and spent time reading it between July 2025 and June 2026, then the full picture on curricula, class sizes and fees.

36
International schools
inc. 3 boarding
CHF 31.2K
Average school fee
For a 12 yr old
401
Average school size
100 – 1,280 students
17.2
Average class size
Range 12 - 25

The 2026 ranking

Zug’s five most-researched schools

Ranked purely by parent interest — the number of families who opened each school’s profile and spent time reading it between July 2025 and June 2026.

1 Obersee Bilingual School — international school in Zug

Obersee Bilingual School

Obersee Bilingual School (OBS) is a Swiss international school serving German- and English-speaking families. From Kindergarten to Grade 6, instruction alternates weekly between German and English, while from Grade 7 subjects are taught in a single language per year, with Mathematics alternating by semester. From Year 10 onward, the language of instruction follows the chosen school-leaving qualification, with the IB Diploma and Federal Matura offered. OBS uses the Swiss Curriculum alongside the IB Diploma Programme, IMYC, and a bespoke curriculum designed for a bilingual student body, ages 0 to 18. The campus, located near Lake Zurich, combines accessibility with natural surroundings to support experiential learning. Facilities include technology-enabled classrooms, science and arts labs, and outdoor spaces, complemented by sports facilities. The school offers 30+ leisure clubs, plus Future Skills programs like OBS Media Academy, OBS Space Agency, and OBS Ocean & Life Explorers, and a range of language and cultural activities.

CHF 16.6K CHF 37.6K
🏷️ CHF 16,590 – 37,590 / year
😊 Ages 3 to 18
📖 Swiss Curriculum, IB (DP), IMYC (International Middle Years Curriculum), Bespoke Curriculum
📍 Zug
2 Tandem International Multilingual School — international school in Zug

Tandem International Multilingual School

Tandem International Multilingual School (Tandem IMS) is a day school delivering a blended curriculum that combines Zurich Lehrplan 21, the UK National Curriculum, and elements from the International Baccalaureate Primary Years Programme. It serves learners from 0 to 18 years and supports multilingual education across English, German and French. Translanguaging and enquiry-based learning are core features, with two native-language teachers sharing a classroom to support language development in real time. The core curricula prepare pupils for the Swiss Gymnasium and Matura, with a twelve-month planning cycle that tailors activities to language development. Assessments include Swiss Klassencockpit and UK SATs. Since its founding, Tandem IMS has grown from six children to over 300 across campuses in Erlenbach, Küsnacht, Zollikon and Zurich. In 2024 it celebrated 20 years, and in 2025 opened the Küsnacht campus uniting primary and Gymnasium pupils in a modern environment with small classes. After-school clubs include football with InterSoccer, STEAM Techlabs, Music Club and German Booster.

CHF 16.6K CHF 37.6K
🏷️ CHF 25,320 – 33,600 / year
😊 Ages 0.5 to 18
📖 IB (PYP), Bespoke Curriculum, British Curriculum, Swiss Curriculum
📍 Zug
3 International School of Zug and Luzern - Zug Campus — international school in Zug

International School of Zug and Luzern - Zug Campus

ISZL is a private, non-profit international day school in Switzerland serving learners from age 3 to 18. The school follows the International Baccalaureate framework across Primary, Middle, and High School, with the PYP in Primary, the MYP in Middle School, and the Diploma Programme in High School. The High School also offers an ISZL Diploma with pathways that include Advanced Placement courses and the BTEC Diploma in Creative Media. The campus model includes the Zug Campus for Early Years through Middle School and the Riverside Campus in Hünenberg for High School, plus Chalet Bergheim as Outdoor Education Centre. English is the language of instruction, with dedicated EAL support and German offered as an additional language. Facilities include Wettinger House on Zug Campus, modern teaching spaces, science labs, a library, an art atelier and music rooms, and triple gym. School supports service and leadership activities through Activities Programme and Youth Forum Switzerland.

CHF 16.6K CHF 37.6K
🏷️ CHF 16,800 – 36,700 / year
😊 Ages 3 to 14
📖 IB (PYP), IB (MYP), IB (DP)
📍 Zug
4 SIS Swiss International School Zürich — international school in Zug

SIS Swiss International School Zürich

SIS Swiss International School Zürich is a private bilingual day school in Switzerland, welcoming students from age 4 to 18. Established in 2005, it offers a continuous, bilingual education from Kindergarten through to the SIS Bilingual College, culminating in the International Baccalaureate Diploma Programme (IBDP). In the primary grades, teaching follows the cantonal curriculum while incorporating elements of the British curriculum and SIS-developed materials, with language acquisition supported by experienced teachers in a natural, immersive environment. The school uses contemporary infrastructure and technology across classrooms and specialist spaces, supporting learning across subjects. The campus features a large outdoor area with a sports field, a playground and a rooftop terrace, fostering activity and outdoor learning. SIS Zürich emphasizes continuity from kindergarten to college and provides flexible before- and after-school care, lunch, and holiday clubs. Distinctive programs include the SIS Student Exchange Programme and intercultural activities as part of a SIS community.

CHF 16.6K CHF 37.6K
🏷️ CHF 23,460 – 30,340 / year
😊 Ages 4 to 18
📖 IB (DP), Bespoke Curriculum, British Curriculum, Swiss Curriculum
📍 Zug
5 Rietberg Montessori School — international school in Zug

Rietberg Montessori School

Rietberg Montessori School in Switzerland offers a bilingual Montessori program for children aged 3 to 12. The school is state-accredited by the Department of Education of Canton Zürich and licensed by AM(S). In kindergarten, children are placed in mixed-age groups (3–6) with instruction in German and English; in elementary, two mixed-age groups (6–9 and 9–12). Qualified Montessori staff guide learning using Dr. Montessori materials to support cognitive and physical development. The Montessori curriculum fully covers the Canton Zurich requirements and guarantees transfer to secondary school, ensuring a clear progression to gymnasium. The school was founded in 1987 and operates under a Foundation Board, with dedicated principals for Kindergarten and Elementary. Extracurricular activities extend the program, and a range of arts and practical arts activities support self-motivated, joyful learning. The campus includes spaces for crafts, music and hands-on projects aligned with Montessori pedagogy. The school maintains active parent involvement and events.

CHF 16.6K CHF 37.6K
🏷️ CHF 25,680 – 33,600 / year
😊 Ages 3 to 12
📖 Montessori Curriculum, Swiss Curriculum
📍 Zug

What’s on offer

Curricula & languages in Zug

The mix of programmes and teaching languages across all 36 schools. Many offer more than one curriculum, so totals run higher than the school count.

Most popular curricula

Number of schools teaching each curriculum.

Swiss
24
IB
13
British
9
Cambridge
9
Montessori
4
Other
1

Languages of instruction

Number of schools teaching in each language.

English
35
German
28
French
3
Japanese
1

Size & classes

How big are the schools, and the classes?

School size and class size shape day-to-day experience as much as curriculum does.

School size, by students

Schools grouped by total enrolment.

Avg 401
15
4
1
1
3
100–336337–573574–810811–1,0471,048–1,280

Average school size is 401 students · based on the 24 schools that report enrolment.

Class size

Schools grouped by typical class size.

Avg 17.2
2
14
4
1
10–1415–1920–2425–29

Average class size is 17.2 students · based on the 21 schools that report it.

What it costs

Annual fees in Zug

Fees shown are one year for a 12-year-old (or the closest age available), excluding one-time enrolment costs.

Fees at a glance

Across the 35 schools that publish a price for a 12-year-old. All figures in CHF.

Minimum
8,530
Average
31,206
Maximum
82,000

Schools by fee band

How many schools sit in each annual-fee range.

CHF 8.5K – 33K
27
CHF 33.0K – 57.5K
7
CHF 57.5K – 82K
1

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