IB World SchoolEst. 1961

International School · Boarding School

Leysin American School

Leysin American School

Leysin, Switzerland

Last updated: Jun 25, 2026

Leysin American School (LAS) is a small, family-run international boarding school in the Swiss Alps, founded in 1961 by Fred and Sigrid Ott. It enrolls approximately 300 students in grades 7–12 from more than 50 countries, offering both the US High School Diploma and the IB Diploma, as well as an LAS Diploma with AP courses. The school is distinguished by its personalized, student-centered approach, an average class size of 10, twice-weekly skiing, international travel to 14+ countries annually, and the innovative Changemakers entrepreneurship program. Students live together in historic Belle Époque alpine buildings with live-in Faculty Families, creating a close-knit global community focused on academic excellence, character development, and responsible world citizenship.

Curriculum
IB Diploma / AP
Annual Tuition
CHF 128,000.00(2026-2027) $158,620
Students
~300
Nationalities
50+
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Overview

Leysin American School is an international boarding IB Diploma Programme, Advanced Placement (AP) school for ages 12–18 in Leysin, Switzerland. Founded in 1961, it has approximately 300 students from 50+ nationalities. The language of instruction ...

At a Glance

1

Dual-diploma program — students choose between IB Diploma or LAS Diploma with AP courses; recent classes placed 1 Oxbridge and 3 Ivy League admits (2026)

2

Internationally diverse — 300 students from 50+ countries, with staff speaking 25+ languages across campus

3

Holistic admissions — requires 3 years of transcripts, 3 teacher references, interview, and English proficiency test (IELTS/TOEFL/Duolingo) for non-native speakers

4

Best for families seeking small-class American/IB education (average 10 students per class, 1:4 student:teacher ratio) in an Alpine boarding environment with mandatory twice-weekly skiing

Tuition & Fees

Annual Tuition

CHF 128,000.00(2026-2027) $158,620

Application Fee

CHF 500.00 $620

Deposit

CHF 10,000.00 $12,392

Est. First Year Total

CHF 138,500.00 $171,632

Tuition by Grade

GradeFull BoardingApplication FeeDeposit
All GradesCHF 128,000.00 $158,620Tuition CHF 128,000.00 $158,620 + Boarding: included + Meals: includedCHF 500.00 $620CHF 10,000.00 $12,392

Annual estimate per attendance mode (tuition + boarding + meals). One-time fees (application, enrolment, deposit) are charged separately.

View All Fees

Approximate values based on ECB reference rates (Jul 6 – 10, 2026). Actual amounts may vary.

Scholarships & Financial Aid

1

LAS Global Scholarship

Merit-Based
Eligibility: Outstanding incoming Grade 11 students entering the IB Diploma Programme with high academic and extracurricular achievement, advanced English proficiency, and demonstrated financial need. Must have exceptional academic record and leadership qualities.Grade Levels: Grade 11Application Deadline: January 30

Curriculum & Academics

Languages of Instruction

Languages of Instruction

English

Compulsory / Optional

EnglishFrenchSpanishGerman

Subjects Offered

12 subjects

Advanced Placement(2)

STEM
ChemistryBiology

IB Diploma(10)

STEM
PhysicsHLChemistryHLBiologyHL
Languages
English LiteratureSLFrenchSLSpanishSLGermanSL
Humanities
HistoryHL
Social Sciences
EconomicsHL
Arts
Visual ArtsHL

Accreditations & Memberships

2 accreditations
CI
CIS
School AccreditationInternational· Since 1987
NE
NEASC
School AccreditationInternational· Since 1987
International Baccalaureate (IBO)
Schoozy Insight: Two Pathways, One Standard: IB Diploma and LAS Diploma with AP at LAS

Outcomes & Results

University Destinations

University of Cambridge
Oxbridge
Cornell University
Ivy League
Stanford University
QS Top 10
Imperial College London
QS Top 10
University of Cambridge
Oxbridge
Imperial College London
QS Top 10
Columbia University
Ivy League
Harvard University
Ivy League
Princeton University
Ivy League
Charles University Prague
EHL (École hôtelière de Lausanne)
Istituto Marangoni
SCAD (Savannah College of Art and Design)
University of California, Los Angeles
QS Top 50
New York University
QS Top 50
Rice University
Babson College
London School of Economics and Political Science
QS Top 50
University College London
QS Top 10
King's College London
QS Top 50
University of Edinburgh
QS Top 50
Durham University
QS Top 100
University of Bristol
QS Top 100
University of Manchester
QS Top 50
University of Warwick
QS Top 100
University of Birmingham
QS Top 100
University of Leeds
Russell Group
Queen Mary University of London
Russell Group
King's College London
QS Top 50
University College London
QS Top 10
University of Edinburgh
QS Top 50
University of Birmingham
QS Top 100
University of Glasgow
Russell Group
University of Manchester
QS Top 50
University of Warwick
QS Top 100
Durham University
QS Top 100
University of the Arts London
Trinity College Dublin
IE University
Georgetown University Qatar
University of Sydney
QS Top 50
Amherst College
Boston College
Boston University
Duke University
QS Top 100
Emory University
QS Top 100
Georgetown University
Johns Hopkins University
QS Top 50
McGill University
QS Top 50
McMaster University
Northeastern University
Northwestern University
QS Top 100
New York University
QS Top 50
Rice University
University of British Columbia
QS Top 50
University of Chicago
QS Top 10
University of Michigan, Ann Arbor
University of Toronto
QS Top 50
Washington University in St. Louis

Admissions

Selectivity:
selective

Admissions Overview

LAS operates rolling admissions for grades 7–12. Applicants submit an online application, last three years of transcripts, passport and photo, three teacher recommendations (including English and Math teachers), and a handwritten personal essay. Non-native English speakers must complete an English placement test or submit IELTS, TOEFL, or Duolingo scores. Shortlisted candidates undergo an interview with the student and family, conducted in person or via video call. The school does not publish an acceptance rate. A security deposit of CHF 10,000 and Capital Improvement Fund fee of CHF 10,000 are due upon acceptance. Applications for fall entry should be completed by April 1 of the entry year.

Requirements

Grades 7–12

School Report ReviewStudent InterviewParent InterviewEnglish TestPortfolio Review

English Requirement: Advanced English

Interview Required (Hybrid (in-person + online))

Application Fee: 500

Key Dates

New Student Orientation2025-08-26

Orientation begins for new students arriving for the 2025-2026 academic year.

Winter Break2025-12-18

Winter break departures from 18–19 December 2025, students return 10–11 January 2026.

Fall Break2025-10-18

Mid-term fall break (approximately 1 week), students depart campus.

Returning Students First Day Back2025-08-28

Returning students arrive to begin the 2025-2026 academic year.

Re-enrollment and Tuition Deposit Deadline2026-04-01

Deadline for re-enrollment confirmation and tuition deposit payment for existing students. Also recommended deadline for new applicants to secure a fall place.

Schoozy Insight: Holistic, Rolling Admissions with a Merit-Need Full Scholarship

School Life

Term system
Trimester
Uniform
Required
Lunch
provided

Support & Wellbeing

Counsellors
2

Co-curricular Activities

21 activities

Team Sports(3)

FootballBasketballVolleyball

Grades: G7–12

Individual Sports(3)

SwimmingTennisClimbing

Grades: G7–12

Drama & Theatre(1)

Drama Club

Grades: G7–12

Academic Clubs(1)

Model United Nations

Grades: G9–12

Visual Arts(2)

Visual Arts ClubPhotography Club

Grades: G7–12

Service & Leadership(3)

Student CouncilAmnesty International ClubCommunity Service

Grades: G7–12

School-specific(8)

Yearbook ClubEntrepreneurship ClubNational Honor Society (NHS)Instrumental Music / BandSkiingMountain BikingSnowboardingCompetitive Ski Team

Grades: G7–12

Facilities

11 facilities

Academic Facilities(1)

General Science Lab· Indoor

School-specific(10)

Library / Learning Commons
Arts Centre (Theatre and Studios)
Dining Hall (Chalet & Fishbowl)
Alpine Ski Slopes (Campus Access)
Belle Époque Building
Savoy Building
Dormitories (6 Buildings)
Mont Riant Dormitory
Magic Mountain Athletic Center (MMAC)
Health Centre (Savoy and Belle Époque)

Location & Access

Getting There

Leysin-Grand-Hôtel

Leysin Campus

10 min walk

School Bus

Local shuttle bus service running between the campus and Leysin village (and sometimes Aigle) on weekdays.

Coverage Areas: Leysin village, Aigle (local area)

Public Transport

Swiss national rail (SBB) and local mountain railway serve Leysin. Nearest stations: Leysin-Grand-Hôtel (~10 min walk from campus) and Leysin-Feydey (~2 km, lower village). Aerial cable car from lower Leysin village connects to near campus.

Coverage Areas: Leysin-Grand-Hôtel station, Leysin-Feydey station, Aigle (SBB mainline connection to Geneva/Zurich)

Shuttle Service

Free airport shuttle service operating between Geneva Airport (GVA) and LAS campus at the start and end of each term. Multiple daily departures on key travel days.

Coverage Areas: Geneva Airport (GVA) to Leysin campus

Campuses

Main Campus

Leysin Campus

Chemin de la Source 3, 1854 Leysin, Switzerland

10 min walk from Leysin-Grand-Hôtel
Located at 1,350m elevation in the Swiss Alps. Nearest train station is Leysin-Grand-Hôtel (~10 min walk). ~90 min drive from Geneva Airport (GVA); school operates scheduled free shuttle services at term start and end. ~4 hours from Milan or Paris by train/car. Local cable car (télécabine) connects lower Leysin village to near campus.
Historic Alpine campus featuring Belle Époque building (former Grand Hôtel, renovated 2010), Savoy Building, Magic Mountain Athletic Center (2016), six dormitories, science labs, arts centre, library, dining facilities (Chalet and Fishbowl), ski-in/ski-out slope access with 60 km of marked pistes.
+41 24 493 4888
Schoozy Insight: Magic Mountain Life: Skiing, Alpine Dorms, and Faculty Families

Schoozy Insights

Independent analysis by the Schoozy editorial team. Not affiliated with or endorsed by the school.

Education with Impact: LAS's Whole-Child Philosophy

LAS pursues an 'Education with Impact' grounded in three values—respect for self and others, the environment, and through generosity—cultivating innovative, compassionate world citizens.

Read More

Philosophy at Leysin American School

Leysin American School articulates its educational mission with notable clarity: "LAS is committed to developing innovative, compassionate, and responsible citizens of the world." This is not merely aspirational language—it is enacted daily through the school's structural choices and programme design.

The Whole Child Framework

The school's vision, described as "Education with Impact", centres on developing the Whole Child. Rather than optimising solely for academic results, LAS designs its environment to cultivate:

  • Intellectual curiosity through small, discussion-based classes (average size: 10 students)
  • Emotional resilience through Faculty Family dormitory life with live-in adult mentors
  • Global empathy through a student body drawn from 50+ nationalities
  • Entrepreneurial thinking through the Changemakers programme, developed in partnership with Babson College
  • Physical wellbeing through mandatory outdoor and sporting activities, most distinctively twice-weekly skiing

Three Core Values

LAS's published values—respect for self and others, respect for the environment, and respect through generosity—are deliberately interwoven rather than listed in isolation. The environmental respect value has tangible expression in the school's Alpine setting; students engage with the natural mountain environment as both classroom and community resource. Generosity is not interpreted narrowly as charity but as an orientation toward others that the school fosters through CAS (Creativity, Activity, Service) in the IB programme and through community service activities.

Individualised Learning

The philosophy explicitly endorses individualised learning environments in which students are encouraged to develop their passions. This manifests in:

  • A choice between the IB Diploma and the LAS Diploma (with AP courses), allowing different academic pathways
  • Over 70 after-school activities enabling students to pursue diverse interests
  • Close faculty mentoring, enabled by the 1:4 student-to-teacher ratio
  • Rolling, holistic admissions that assess the whole applicant rather than test scores alone

Compassion and Global Citizenship

LAS's mountain campus, paradoxically, produces students with unusually broad international exposure. The school travels to approximately 14 countries annually for cultural and educational trips. The student body itself—representing more than 50 nationalities in a community of ~300—creates daily cross-cultural encounter that the school treats as a core pedagogical resource.

This philosophy positions LAS not as a conventional elite prep school but as a community intentionally designed to produce graduates who are as capable of empathy and collaboration as they are of academic achievement.

From Alpine Spa Town to International Boarding School: The LAS Story

Founded by Fred and Sigrid Ott in 1961 in a former Grand Hôtel, LAS grew from 89 students into a 300-student global school under three generations of the Ott family.

Read More

The History of Leysin American School

Origins in Leysin's Resort Heritage

Leysin had been a celebrated European health and winter-sports resort since the nineteenth century, attracting international visitors to its mountain air and dramatic scenery. When Fred and Sigrid Ott arrived to found their school, they were consciously repurposing this tradition: transforming a place of physical restoration into a place of intellectual and personal formation.

The Otts incorporated the school as a Swiss company in 1960, drawing on Sigrid's prior experience founding summer programmes for American military children in Europe. On 18 September 1961, LAS opened its doors in Leysin's Grand Hôtel (the Savoy wing) with 89 students and 12 teachers—a remarkably small but intentional beginning.

Family Stewardship and Expansion

The Ott family has stewarded LAS across three generations, each contributing to its growth:

  • 1987: LAS became the first Swiss boarding school to receive accreditation from ECIS (now the Council of International Schools) and the US Middle States Association of Colleges and Schools—a landmark that signalled international academic credibility.
  • 1991: LAS introduced the IB Diploma Programme, again a first among Swiss boarding schools, reflecting a commitment to internationally recognised qualifications alongside the American diploma.
  • 1998: The school achieved ISO 9001 quality management certification, demonstrating operational as well as academic rigour.
  • 2005: LAS was restructured as a non-profit educational foundation, formalising its mission-driven governance.
  • 2010: The historic Belle Époque building (a former Grand Hôtel structure dating to 1892) was renovated and integrated into the campus, providing dormitory and health-centre space.
  • 2016: The Magic Mountain Athletic Center (MMAC) opened, a CHF 30 million investment providing state-of-the-art indoor sports and fitness facilities.

Today

LAS today enrolls approximately 300 students from 50+ countries in grades 7–12, maintains a 1:4 student-to-teacher ratio, and has produced over 8,000 alumni worldwide. It remains family-run under the leadership of Dr. Marc F. Ott, son of the founders, with an independent Foundation Board providing governance oversight. The school's physical plant—a collection of historic Alpine buildings spread across the mountain village—continues to reflect its origins, blending Belle Époque architecture with modern academic and athletic infrastructure.

Magic Mountain Life: Skiing, Alpine Dorms, and Faculty Families

LAS students live, study, and ski together on a Swiss Alpine campus where Faculty Families live in dorms and twice-weekly skiing is a school programme, not an optional activity.

Read More

Life on the Magic Mountain Campus

To understand Leysin American School, one must understand its physical and social setting. At 1,350 metres elevation in the Swiss Alps, the campus is not a suburban school that happens to be near mountains—it is a mountain community in which the landscape is inseparable from the educational experience.

Dormitory Life with Faculty Families

All students (approximately 300) live on campus in six dormitory buildings, each with live-in Faculty Families—staff members who reside in the dorm and serve as adult anchors in students' daily lives. This is a structural commitment to pastoral care: faculty are not merely teachers during school hours but community members around the clock.

The dormitory buildings have their own characters and histories:

  • Belle Époque – a renovated 1892 Grand Hôtel structure, now the centrepiece dorm and home to a health centre and the Fishbowl dining facility
  • Savoy Building – an early 20th-century structure housing dorms, the main Savoy Health Center, classrooms, and common rooms
  • Mont Riant, Beau Réveil, Beau Site, Beaumont – additional Alpine-style residential buildings for different age groups

The student-to-teacher ratio of 1:4 means that the campus is dense with adult presence—supporting both academic and personal development in ways that larger schools cannot replicate.

Skiing as Curriculum

Perhaps the most distinctive feature of life at LAS is skiing as a formal school activity, not an optional extracurricular. During the winter season, students ski on Tuesday and Thursday afternoons as part of the regular weekly schedule, with access to Leysin's 60 km of marked pistes directly from campus. Weekend skiing is also available for those who choose it.

The ski season runs for approximately eight weeks, and students may also join the competitive Ski Team. Equipment storage, slope access, and instruction are integrated into campus life.

Meals, Wellbeing, and Community

All meals are served in on-campus dining facilities. A team of three full-time nurses and two counsellors provides 24/7 health support, with the school covering Swiss health and accident insurance (CHF 300 per semester) for all boarding students.

The broader campus atmosphere is frequently described as family-like—a function of the small size, residential structure, and the literal presence of faculty families in dorms. The school's 70+ after-school activities, running Monday to Thursday from 16:00 to 18:30, mean that student energy is channelled into structured community engagement every afternoon.

Two Pathways, One Standard: IB Diploma and LAS Diploma with AP at LAS

LAS offers students a choice between the IB Diploma and a US-style LAS Diploma with AP courses, both delivered in small classes averaging 10 students with a 1:4 teacher ratio.

Read More

Academic Culture at Leysin American School

Dual Pathways

LAS offers two distinct diploma pathways, allowing students to align their academic programme with their university destination and learning style:

1. IB Diploma Programme (IBDP)

  • Students take six subject courses drawn from the six IB Groups (Studies in Language & Literature, Language Acquisition, Individuals & Societies, Sciences, Mathematics, The Arts)
  • Core elements: Theory of Knowledge (TOK), Extended Essay (EE), and Creativity, Activity, Service (CAS)
  • LAS was the first Swiss boarding school to offer the IBDP (1991)
  • The school has produced students achieving top IB scores, with some reaching 38+

2. LAS Diploma (US-Style with AP Courses)

  • An American High School Diploma framework supplemented by Advanced Placement courses
  • AP offerings include Calculus, Biology, Chemistry, Physics, Language, Literature, and US History, among others
  • Recognised by US and international universities
  • Suits students targeting US college admissions who prefer the AP/GPA framework

Small-Class Learning

The defining academic feature at LAS is class size. With an average of 10 students per class and a 1:4 student-to-teacher ratio, the school creates conditions for genuine dialogue, close teacher-student relationships, and highly differentiated instruction. This is not incidental—it is a structural commitment that shapes the school's identity and cost structure.

Language Education

While English is the primary language of instruction (approximately 85% of academic content), LAS offers robust foreign language instruction in French, Spanish, and German at multiple levels. Non-native English speakers are supported through the English Language Acquisition (ELA) programme, which provides structured English immersion alongside mainstream coursework.

University Outcomes

LAS graduates have received offers from a range of highly selective universities in recent graduating classes:

  • Class of 2025: University of Cambridge, Cornell, Stanford, Imperial College London, LSE, UCL
  • Class of 2026: Harvard, Columbia, Princeton, Cambridge, Duke, Northwestern, Johns Hopkins, and many others

A third-party source reports that 92% of LAS graduates gain admission to one of their top three university choices—a figure that, while unverified by the school directly, reflects the intensive university counselling programme the school provides.

Innovative Programmes

Beyond standard curricula, LAS operates the Changemakers entrepreneurship programme developed in partnership with Babson College, widely regarded as the world's leading entrepreneurship institution. This programme exposes students to venture thinking, design challenges, and real-world problem-solving—positioning LAS as unusual among boarding schools in its commitment to entrepreneurial education.

Holistic, Rolling Admissions with a Merit-Need Full Scholarship

LAS uses holistic rolling admissions requiring transcripts, essays, references, and an English assessment; its LAS Global Scholarship offers full tuition and boarding for two years to exceptional IB students.

Read More

Admissions Culture at Leysin American School

Holistic and Rolling

LAS operates rolling admissions for grades 7–12, meaning families can apply throughout the year, with fall entry typically requiring materials and the refundable deposit by 1 April of the entry year. There is no rigid testing requirement or single application season, which reduces stress and allows the school to consider the full picture of each applicant.

The admissions file includes:

  • Complete online application form
  • Last three years of school transcripts
  • Passport copy and photograph
  • Three teacher recommendations, specifically including the English and Mathematics teachers
  • A handwritten personal essay by the student
  • For non-native English speakers: an English placement test, or standardised test scores (IELTS, TOEFL, or Duolingo English Test)

Interview Process

Shortlisted candidates participate in an interview with the student and family, conducted in person where possible or via video call for international applicants. The school does not publish an acceptance rate, and LAS positions itself as selective without publicising rigid cut-off metrics.

Fees at Application and Acceptance

  • Application Fee: CHF 500 (non-refundable)
  • Security Deposit: CHF 10,000 (refundable, due within 10 days of acceptance)
  • Capital Improvement Fund: CHF 10,000 (one-time fee for new students)
  • Personal Account Deposit: CHF 10,000 (refundable spending account)
  • Annual Tuition (all-inclusive boarding): CHF 128,000

All tuition includes room and board, making the single-line fee structure straightforward despite the headline figure.

LAS Global Scholarship

The school's flagship financial support mechanism is the LAS Global Scholarship, a merit-and-need award targeted at exceptional incoming Grade 11 students entering the IB Diploma Programme. Key features:

  • Covers full tuition, room and board for two years (valued at approximately CHF 256,000)
  • Also covers school fees, ski gear, testing fees (up to CHF 1,500), one trip per semester, and school uniform
  • Recipients pay only the CHF 10,000 deposit and personal account deposit, plus three round-trip flights for holiday travel
  • Typically 1–2 awards per year
  • Application deadline: approximately 30 January for the following academic year
  • Not available for grades 7–10 or one-semester enrolments

This scholarship is among the most comprehensive at any international boarding school, effectively reducing cost to near zero for awardees and reflecting the school's stated commitment to access for exceptional students regardless of means.

About the School

Established
1961

Mission

LAS is committed to developing innovative, compassionate, and responsible citizens of the world.

Educational philosophy

LAS is guided by a mission to develop innovative, compassionate, and responsible citizens of the world through an 'Education with Impact.' The school cultivates the Whole Child in an individualized learning environment that embraces diversity and encourages students to discover their passions. Three core values underpin school life: respect for self and others, respect for the environment, and respect expressed through generosity. This philosophy is enacted through small classes, close faculty-student relationships, experiential learning including international travel and skiing, and programs such as Changemakers that foster entrepreneurial thinking and leadership.

Core values

Respect for self and others, respect for the environment, respect through generosity

History

LAS was founded in 1961 by educators Fred and Sigrid Ott in Leysin, Switzerland, opening in the town's former Grand Hôtel (Savoy Building) with 89 students and 12 teachers. The Ott family grew the school through several decades: it became the first Swiss boarding school accredited by ECIS (now CIS) and the US Middle States Association in 1987, introduced the IB Diploma Programme in 1991, and achieved ISO 9001 quality certification in 1998. The Belle Époque campus building was renovated and opened in 2010, and the Magic Mountain Athletic Center launched in 2016. The school operates as a foundation (non-profit since 2005) and today has approximately 300 students and over 8,000 alumni worldwide.

Frequently Asked Questions

What curriculum does Leysin American School teach?

Leysin American School offers IB Diploma Programme and Advanced Placement (AP).

Is Leysin American School an IB World School?

Yes, Leysin American School is an IB World School offering the IB Diploma Programme.

How much is annual tuition at Leysin American School?

Annual tuition at Leysin American School is CHF 128,000 (CHF).

What additional fees should I budget for at Leysin American School?

In addition to tuition, Leysin American School charges a registration fee of CHF 500, deposit of CHF 10,000.

What are the admission requirements for Leysin American School?

LAS operates rolling admissions for grades 7–12. Applicants submit an online application, last three years of transcripts, passport and photo, three teacher recommendations (including English and Math teachers), and a handwritten personal essay. Non-native English speakers must complete an English placement test or submit IELTS, TOEFL, or Duolingo scores. Shortlisted candidates undergo an interview with the student and family, conducted in person or via video call. The school does not publish an acceptance rate. A security deposit of CHF 10,000 and Capital Improvement Fund fee of CHF 10,000 are due upon acceptance. Applications for fall entry should be completed by April 1 of the entry year.

When is the application deadline for Leysin American School?

The application deadline for Re-enrollment and Tuition Deposit Deadline is 2026-04-01.

Where is Leysin American School located?

Leysin American School is located in Leysin, Switzerland.

What ages does Leysin American School accept?

Leysin American School accepts students from age 12 to 18.

How many students attend Leysin American School?

Leysin American School has approximately 300 students from 50+ nationalities.

What is the student-teacher ratio at Leysin American School?

The student-teacher ratio at Leysin American School is 4:1.

Does Leysin American School provide EAL/ESL support?

Yes, Leysin American School provides EAL (English as an Additional Language) support.

Does Leysin American School have a school bus?

Yes, Leysin American School offers a school bus service. Local shuttle bus service running between the campus and Leysin village (and sometimes Aigle) on weekdays.

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About this data

Last updated: Jun 25, 2026

Sources: the school's official website, accreditation bodies (e.g. IBO, CIS), and public records.