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IB and Swiss
Bilingual
Ages 8 to 18

Saint Charles International School Verified badge

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CityBasel
CurriculumsIB and Swiss
Leaving qualificationsIB Diploma and Swiss Maturité
Languages of instructionEnglish and French
Age RangeAges 8 to 18
Boarding available - Yes
Yearly fees: Not public
Social Media:

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Quick summary of key school information

Leaving qualifications IB Diploma and Swiss Maturité
Language of instruction English and French
Native English and French teachers
Extra languages (other than English and French)
Class sizes Average 9 students / class
Maximum 12 students / class
Extracurricular activities
School bus
School's webpage:

This school does not make their fees public for the academic year 2025/2026.

Address: Route de Belfort 10 2900 Porrentruy Switzerland

The school offers 2 different curricula - Swiss and International.
Is this school a perfect match for you?

Tell us your preferences and we’ll calculate your compatibility.

  • Based on 10 different criteria including price and location
  • Fees personalised to your childrens’ ages

School details

We have organised the information available for this school into 11 sections and 43 questions. Click or tap on the name of each section to read more.
Number of students

150

Number of nationalities represented in the school

25+

Most common nationality

Swiss

Ratio of local students to international students

2:1

Native English and French speaking teachers

Yes, the majority of our teachers are native speakers of the language they teach, ensuring authentic language immersion and high-quality instruction.

Language support for students not fluent in English and French

Yes. EAL and FLE classes are available.

Additional language classes offered by the school

German, Italian, Latin, Spanish, Chinese.

Max. number of students per class

Up to 12 students.

Average number of students per class

8-10

Does the school employ teaching assistants?

Yes

Use of technology in the classroom

Our classrooms are equipped with high-speed internet and advanced projection systems, while our laboratories—completely refurbished in 2019—feature state-of-the-art equipment designed to support innovative and experiential learning.

Is the school ready to use virtual classrooms when needed? (e.g. teaching lessons online if the school is closed, e.g. during COVID-19 closures)

Yes

Do students practice religion at the school? What religion?

The school does not provide religious instruction within our international programme but the school welcomes and respects students of all faiths.

How does the school accommodate non-religious students or students of a different religion?

Both local day students and international boarders may access religious guidance and education if they wish; participation is entirely optional and based on individual choice.

External examinations or assessments available

IB Diploma Programme (in English)
IB Middle Years Programme (in English)
Bilingual Swiss Maturité (in French and English)
Saint-Charles High School Diploma (in English)

Results in these examinations

Saint-Charles students stand among the best. With exceptional results across the Swiss, IB, and High School Diploma programmes, they combine intellectual precision with creativity, independence, and global perspective.

Do teachers assign homework to their students?

Yes

Approximate hours of homework given

This varies depending on the subject and grade level.

Percentage of students who pursue further education post-graduation

100%

Dedicated staff/programs for students with special learning needs

We provide individual attention and can accommodate students with moderate learning needs effectively.

The school supports gifted, able and talented students

Our programmes are designed to nurture a students unique abilities, providing them with the resources and opportunities they need to thrive and reach their full potential.

Student access to education psychologist

The school collaborates closely with regional psychologists and trusted online specialists to ensure comprehensive student support. In addition, a dedicated Wellbeing Listener is available to all students, providing a safe and confidential space for guidance and care.

Entry evaluation for students

All students undergo assessments in English and Cognitive ability to ensure appropriate academic placement and to support their individual learning pathways.

Brief description of entry evaluation required

All students undergo assessments in English and Cognitive ability to ensure appropriate academic placement and to support their individual learning pathways.

Waiting list

No

Deadline for registration (new academic year)

The school operates on a rolling admissions basis, allowing students to join throughout the year subject to availability and suitability.

Students can join after academic year begins

Yes, subject to availability and suitability.

School start time

8h15

School finish time

16:00

Supervised care before/after school

Yes

School bus service available

Yes

School provided lunches

Day students are provided with a freshly prepared lunch each day, while boarding students enjoy three balanced meals daily, complemented by nutritious snacks throughout the day.

Food alternatives for special dietary needs (ie. vegan, kosher, halal etc)

We make every effort to accommodate students with food allergies or specific dietary preferences related to religious or cultural practices.

Uniform required

Students are required to wear the school’s polo shirts and sweaters as part of the daily dress code, while high school students are expected to maintain a smart and polished appearance.

Extracurricular activities or clubs offered

The school offers a selection of clubs and activities on campus, while additional opportunities are provided in collaboration with our trusted local partners. Horse-riding, Tennis, Golf, Ice-Hockey, Photography, Drama, Business club, AI club, Robotics, Model UN, Chess, Spanish club, School magazine, Dance, Eco Club, Judo, Football, Ice-figure skating, Archery, Skateboarding, Climbing and other.

Sports activities included

Volleyball, Basketball, Swimming, Fitness, Skiing/Snowboarding.

Sports teams or sport competitions available for students

These are provided in collaboration with our trusted local partners: Horse-riding, Football, Ice-hockey, Tennis, Basketball, Judo.

Facilities at the school

Facilities include a cinema, library, state-of-the-art laboratories, café, multiple leisure rooms, and a spacious dining hall.

Sports facilities at the school

Indoor swimming pool, multi-sports gymnasium, fitness centre and an outdoor basketball court

Grades/ages available for boarding

Starting Grade 6.
12-18 years old

Boarding facilities at the school

Our state-of-the-art boarding houses offer single and double rooms, most featuring ensuite bathrooms, ensuring comfort and privacy for every student. Boarding includes all meals, laundry service, exciting weekend programme, homework supervision, transportation to local activities, airport transfers, medical insurance, and comprehensive academic and pastoral care. Optional trips are also available during school holidays for students wishing to explore further. Each residence is overseen by a dedicated team of boarding professionals who provide personalised guidance, academic support, and a thoughtfully curated programme of activities that promote balance, wellbeing, and a strong sense of community.

Qualities and characteristics best defining the school

Saint-Charles International School is more than a school — it is a place where heritage, excellence, and individuality come together to create an exceptional educational journey for the next generation of global citizens. Our mission is to provide students with an exceptional education whilst teaching and encouraging the attributes of kindness, respect, and responsibility both towards others and the environment.

Teaching approach of the school

Our boutique-style environment ensures that every student is known, guided, and inspired to reach their highest potential. Through small class sizes, personal mentorship, and individualised learning pathways, we nurture not only academic distinction but also character, creativity, and leadership.

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