The International School of Sion

Updated July 2026

14–19Ages
Day & BoardingType

Curriculum

Languages

English flagEnglishFrench flagFrenchGerman flagGerman

The International School of Sion is a Cambridge International School located in the heart of Valais, Switzerland, providing education for students aged 14 to 19. It offers a challenging, inquiry-based academic programme designed to prepare students for university and beyond.

Teaching approach

The school’s educational approach is inquiry-based, transdisciplinary, and cross-cultural, aiming to prepare students for successful higher academic studies. It emphasizes benevolence, compassion, and the development of critical thinking, while valuing both the student's mother tongue and the culture of the host country. The school promotes a sense of student ownership, encouraging learners to be responsible for their environment and to view education as a positive space where healthy study habits are balanced with personal growth.

Programmes

The school is an authorized Cambridge International School offering a four-year or three-year academic pathway for students aged 14 to 19. The curriculum includes Grade 9 and 10 preparatory stages, where students can sit for the Cambridge International General Certificate in Secondary Education (IGCSE), followed by a two-year high school programme in Grades 11 and 12. Students study subjects across five groups—languages, individuals and societies, sciences, mathematics, and the arts—alongside mandatory components including Epistemology, a Personal Project, and community service.

Student support

EAL support
Unknown
Learning support
Unknown

Learning support

The school fosters an inclusive environment where making mistakes is recognized as a vital part of the learning process. It provides intensive English lessons for students who are not yet proficient in the language, particularly within the Grade 9 preparatory year. The pedagogical team maintains regular, collaborative contact with students to support their individual progress.

Frequently asked questions(5)
What curriculum does The International School of Sion offer?
The International School of Sion offers IGCSE.
What ages does The International School of Sion teach?
The International School of Sion enrolls students aged 14 to 19.
Is The International School of Sion a day or boarding school?
The International School of Sion is a day and boarding school.
What accreditations does The International School of Sion hold?
The International School of Sion holds accreditations including Cambridge International.
Where is The International School of Sion located?
The International School of Sion is an international school in Sitten, Switzerland.

Tuition & fees

No published fee schedule was found for this school.

Admissions

The school maintains a rolling admissions policy for students aged 14 to 19. The application process requires a completed application form, a medical form, and a signed terms and conditions agreement, followed by an entrance test and an interview. Upon acceptance, registration and annual fees must be paid within 30 days to secure enrollment.

Calendar

The school operates Monday through Friday, from 8:00 am to 5:30 pm. A typical daily schedule includes breakfast from 7:00 am to 8:00 am, followed by morning classes until 12:00 pm, lunch, afternoon classes until 4:30 pm, and a period for activities or free time until 6:30 pm, concluding with dinner and supervised study in the evening.

Facilities

Boarding

Co-curriculars

The school emphasizes intellectual, physical, and emotional well-being through a range of activities. Students are encouraged to take ownership of their environment and participate in community service, which is a mandatory component of the academic programme. Additionally, the school organizes summer camps.