
International School of Lausanne (ISL)
Founded 1962 in Le Mont-sur-Lausanne — ~1,000 students from 60+ nationalities, IB World School running the full PYP/MYP/DP Continuum, day school.
AI Fit Summary
Why this school may fit your child: International School of Lausanne (ISL) pairs a IB academic track with a urban campus and a 1:9 student-teacher ratio. It's a strong consideration for students drawn to UK universities / US universities pathways.
- Strong fit for UK universities / US universities pathway
- 1:9 ratio supports individualized attention
- IB curriculum aligns with university aspirations
- Strong day-school pastoral team
Academic overview
International School of Lausanne (ISL) was founded in 1962 in Le Mont-sur-Lausanne, on a 10-acre hilltop campus 10 minutes from the city centre. About 1,000 students aged 3-18 from 60+ nationalities, all day. ISL runs the full IB Continuum (PYP, MYP and Diploma Programme) and is one of the most-cited IB schools in French-speaking Switzerland. Accredited by CIS and IB World School. Strong fit for families relocating to Lausanne for International Olympic Committee, EPFL or multinational HQ work. Class size of 18 with a 1:9 student-teacher ratio enables tutorial-style instruction and mentor-led research projects.
Curriculum & subjects
University pathways
Placement score is BestPeopleDo's internal estimate of the school's recent university outcomes (0–100), based on publicly available data and advisor knowledge. Detailed per-cohort offer counts are confirmed during the advisor call.
Fees & scholarships
Estimate the all-in cost
Most families budget against tuition + 10–20% in living, travel and ancillary costs. Adjust the inputs to plan against scholarships, length of stay, and your home currency.
Location
International School of Lausanne (ISL) sits in Le Mont-sur-Lausanne, Switzerland — an urban campus. Tap "Request virtual tour" above to have an advisor send walkthrough video links and schedule a live tour.
Admissions process
- 1Inquiry & profile reviewWe share your child's Student Fit Profile with the admissions team.
- 2Application & documentsSchool-specific form, transcripts, recommendations, English test if required.
- 3AssessmentOnline interview, sample lesson, or admissions test depending on the school.
- 4Offer & enrollmentOffer letter, contract, and visa support if needed.
Important dates
FAQ
Is International School of Lausanne (ISL) a good fit for international families?
Yes. International School of Lausanne (ISL) actively supports families relocating internationally with visa guidance, language transitions, and pastoral care designed for mobile households.
What does the typical application timeline look like?
Most families start 12–18 months before intended intake. Early application is strongly recommended for boarding.
Are scholarships available?
Limited financial assistance is available for exceptional candidates.
What's the average class size?
Approximately 18 students per class with a 1:9 student-teacher ratio.

Aiglon College
An iconic alpine boarding school combining rigorous IB academics, character education, and expedition-based learning above Lake Geneva.

Leysin American School - Belle Époque Campus
Rich history in education. Modern facilities, robust curriculum. Multi-campus institution.

Swiss Boarding Schools Disentis & Zurich (Winterthur Campus)
Nestled in picturesque Winterthur. Comprehensive program balancing learning, adventure, and personal development. Carefully curated activities, experienced staff, high-quality educational standards.