Brillantmont International School vs International School of Geneva
🇨🇭 Switzerland (boarding) · Side-by-side comparison on verifiable public data.
Neither Brillantmont International School nor International School of Geneva sits in a market with a public inspectorate, so both are assessed on verifiable accreditation, curriculum authorisation, and published data rather than an official quality rating. One practical difference: Brillantmont International School offers boarding while the other is day-only — decisive for families who need a residential option. Verify current fees against each school's own figures (see the table below).
Key Facts
| Brillantmont International School | International School of Geneva | |
|---|---|---|
| Curriculum | British / American | IB / British / American / National |
| Ages | 13-18 (Grades 8-12, plus a 13th-grade postgraduate term) | 3-18 |
| Languages of instruction | English | English, French |
| Annual fees | Boarding CHF 99,500-111,000/year; day CHF 34,000-38,000/year (2026-2027, incl. VAT; plus a non-refundable registration fee of CHF 2,000 boarding / CHF 1,600 day and a refundable admission deposit) | CHF 19,800-35,470 per year (tuition only, 2025-2026; registration CHF 2,500 and a one-time Capital Development Fund fee of CHF 4,000 are charged separately) |
| Enrollment | 90 | 4,500 |
| Boarding | Yes | Day only |
| Accreditations | NEASC, CIS, Swiss Learning, Cambridge Assessment International Education Fellowship Centre, ECIS, SGIS, AVDEP, Swiss Private School Register, US College Board test centre, DELF/DALF centre | Council of International Schools (CIS), Middle States Association (MSA), IB World School |
Strengths
- ✓Five generations of continuous family ownership since 1882, a continuity almost no peer school can claim
- ✓Dual NEASC and CIS accreditation, re-accredited July 2023, plus Cambridge Fellowship Centre status
- ✓Deliberately small (around 80-90 students, roughly 30 nationalities) so pupils are individually known
- ✓British IGCSE and A Level pathway, stated as unique among Swiss boarding schools in its area, plus an American High School Diploma
- ✓Central Lausanne setting, English-medium with French as the host language and English support available
- ✓Founded in 1924 as the world's first international school and the birthplace of the IB Diploma Programme
- ✓Full IB continuum (PYP, MYP, DP, CP) plus Cambridge IGCSE and the Swiss Maturite
- ✓Genuinely bilingual English and French with a World Languages programme of more than 25 languages
- ✓Strong published 2025 IB outcomes (94-99 percent pass rates; average around 35 points)
- ✓Triple independent endorsement from CIS, MSA and the IB across three established campuses
Trade-offs
- !No IB Diploma offered
- !Small scale limits subject breadth, streaming and peer-group size
- !No publicly published IGCSE or A Level results to verify outcomes
- !No graded external inspection rating exists in the Swiss system
- !Premium fee level for a school of this size
- !Large multi-campus scale (around 4,500 students) can feel institutional rather than intimate
- !Some pathways are campus-specific (IGCSE and Maturite only at La Chataigneraie; CP only at Campus des Nations)
- !Day school only, with no boarding
- !Premium fees plus separate registration and a one-time CHF 4,000 capital fee
- !No single graded public inspection rating exists in the Swiss system
Best Fit For
- • Families wanting a small, intimate, family-run boarding home rather than a large institution
- • Students on a British IGCSE and A Level or American High School Diploma pathway
- • International teenagers (around 13-18) who thrive on being individually known and supported
- • Parents prioritising long-term institutional stability and a central urban setting
- • Internationally mobile families wanting an IB pathway from early years to Diploma
- • Bilingual French-and-English households seeking genuine dual-language instruction
- • Families valuing heritage, scale and breadth of recognised curricula
- • Students considering the Swiss Maturite or IGCSE alongside the IB
University Placement
School-reported · not independently verified
School-reported, unverified: the school states its IGCSE and A Level examinations enable students to enter top-ranking universities worldwide, but no destination data is published to verify this.
School-reported, unverified: Ecolint publishes 2025 IB Diploma pass rates of 99 percent (Campus des Nations), 98 percent (La Grande Boissiere) and 94 percent (La Chataigneraie), with an average of about 35 points, drawn from its own admissions FAQ and not independently audited here.
More Comparisons
Frequently Asked Questions
Should I choose Brillantmont International School or International School of Geneva?
Brillantmont International School is best for: Families wanting a small, intimate, family-run boarding home rather than a large institution. International School of Geneva is best for: Internationally mobile families wanting an IB pathway from early years to Diploma. The right choice depends on target curriculum, budget, and family priorities — the two are not linearly comparable.
How do fees compare between Brillantmont International School and International School of Geneva?
Brillantmont International School: Boarding CHF 99,500-111,000/year; day CHF 34,000-38,000/year (2026-2027, incl. VAT; plus a non-refundable registration fee of CHF 2,000 boarding / CHF 1,600 day and a refundable admission deposit). International School of Geneva: CHF 19,800-35,470 per year (tuition only, 2025-2026; registration CHF 2,500 and a one-time Capital Development Fund fee of CHF 4,000 are charged separately). Verify against each school's own published fees; some figures are sourced from third-party aggregators.
What curricula do Brillantmont International School and International School of Geneva offer?
Brillantmont International School: British, American. International School of Geneva: IB, British, American, National.
Do Brillantmont International School or International School of Geneva offer boarding?
Brillantmont International School: offers boarding. International School of Geneva: day school only.
Questions parents ask
This comparison is BrightKey's independent assessment using verifiable public data only. University-placement figures are school-reported and not independently verified. BrightKey takes no payments from schools. Our method →