International School of Geneva

A Philosophy Ahead of Its Time

At the core of Ecolint's educational philosophy is a deceptively simple conviction: that education is one of humanity's most powerful tools for building a more peaceful world. This belief, articulated by the school's founders in 1924, predates the Universal Declaration of Human Rights and the establishment of UNESCO — institutions that would later enshrine similar principles in international law.

Ecolint describes its approach as "education for peace", a concept that permeates not just the curriculum but the school's admissions policy, its community culture, and its institutional identity. Unlike many elite international schools that select students on academic merit, Ecolint operates a deliberately non-selective, inclusive admissions policy. The school believes that a diverse, mixed-ability community is itself an educational resource — that learning alongside peers of different backgrounds, languages, and abilities is part of the preparation for global citizenship.

Bilingualism as a Core Value

Ecolint's bilingual English/French model is not a logistical compromise — it is a philosophical statement. In a world increasingly dominated by English as a lingua franca, Ecolint insists on the equal status of French, honouring its Swiss-Francophone context and its founders' vision of a school that bridges cultures rather than erasing them.

All students across all three campuses engage with both languages. The IB curriculum is delivered bilingually, and students graduate with strong competence in both English and French alongside their mother tongue. The school actively supports over 80 mother tongues through its World Languages programme, recognising that preserving linguistic identity is as important as acquiring common languages.

Child-Centred and Inclusive

The IB frameworks Ecolint employs — PYP for primary years, MYP for middle years, and DP/CP for senior years — align naturally with the school's child-centred philosophy. Inquiry-based learning, international-mindedness, and reflective practice are embedded across all age groups.

The school's non-selective admissions process means children with a wide range of abilities and needs study together. Learning support, EAL (English as an Additional Language) provision, and mother-tongue programmes are all part of the standard offering, not premium add-ons. This reflects a foundational belief that every child deserves an excellent international education, not just those who pass an entrance exam.

Values in Practice

Ecolint's core values — Peace, Diversity, Inclusion, Intercultural Understanding, and Mutual Respect — are not merely posted on walls. They are embedded in the school's governance (a non-profit foundation with no shareholders), its community events, its Model UN and debate programmes, and its commitment to service learning. The result is a school culture that feels distinctly different from commercially-driven international schools: slower to brand itself, deeply confident in its mission, and genuinely committed to the idea that education can make the world better.

A Pioneering Vision Born in Post-War Geneva

The International School of Geneva — universally known as Ecolint — holds the distinction of being the world's first international school. Its founding in 1924 was no accident of geography; Geneva had just become the seat of the League of Nations and the International Labour Organization, drawing a uniquely cosmopolitan community of diplomats, civil servants, and scholars from across the globe.

These pioneering families needed an education for their children that transcended national borders. In 1924, a group of educators and international civil servants established Ecolint as a bilingual (English/French) school committed to a radical idea for its time: that children of different nationalities, languages, and cultures could learn together and, in doing so, build the foundations for lasting peace.

A Mission That Has Endured

The founding mission — encapsulated today in the phrase "A school for peace and humanitarian values" — has remained at the heart of everything Ecolint does. Unlike schools where mission statements are marketing copy, Ecolint's mandate predates the very concept of international education as a field. The school did not adopt peace education as a trend; it invented it.

This philosophical continuity is remarkable. A school founded when the League of Nations was the world's great hope for multilateralism continues, a century later, to serve children of UN officials, diplomats, NGO workers, and internationally mobile families — still in Geneva, still bilingual, still non-selective, still committed to intercultural understanding.

Growth Across Three Campuses

From its original location at La Grande Boissière — a historic campus centred on an 18th-century château in central Geneva — the school expanded as the international community of the Geneva region grew. La Châtaigneraie was established in the Vaud countryside (Founex), offering a more rural setting while maintaining the same bilingual IB ethos. Campus des Nations, located near the UN headquarters complex in Grand-Saconnex and Pregny, was added to serve the dense international community around the UN Palais des Nations.

Today, Ecolint's three campuses collectively educate approximately 4,450 students from over 140 nationalities, making it one of the largest international school communities in the world. More than 80 mother tongues are spoken across the student body — a living testament to the cosmopolitan ideal its founders imagined.

Pioneers of the IB

Ecolint's historical contribution extends beyond its own campuses. The school played a formative role in the development of the International Baccalaureate Diploma Programme in the 1960s and 1970s. Teachers and administrators at Ecolint were among the founding thinkers who created an internationally recognised leaving qualification that could open university doors worldwide — a credential that is now used by over 5,000 schools globally. Ecolint itself was one of the first IB World Schools and today offers the full IB continuum: PYP, MYP, DP, and CP.

Academic Outcomes That Speak for Themselves

For a non-selective school that accepts students of all academic abilities, Ecolint's IB Diploma results are striking. The Class of 2024 across the three campuses achieved:

• La Grande Boissière: Average score 35, pass rate 99%
• La Châtaigneraie: Average score 36, pass rate 96%
• Campus des Nations: Average score 35, pass rate 95%

The global IB Diploma average sits around 29-30, and a worldwide pass rate of approximately 80-85%. Ecolint's results — achieved without academic screening at entry — are a genuine indicator of educational quality, not just selection effects.

Curriculum Breadth

Ecolint's academic offer is deliberately broad. All three campuses offer the full IB continuum from Primary Years Programme through to the Diploma and Career-related Programme. La Châtaigneraie goes further, also offering the Swiss Federal Maturité (with a bilingual English/French option) and the French Baccalauréat — giving families in Vaud access to Swiss and French national qualifications that open additional university pathways.

The 2023 Swiss Maturité cohort achieved a 100% pass rate, and the French Baccalauréat Class of 2024 achieved a 99% pass rate with an impressive average of 16.5 out of 20.

University Destinations

Ecolint graduates pursue university studies worldwide, reflecting the truly international character of the student body. Recent cohorts have included significant numbers heading to:

• University of Edinburgh (UK) — 55 students
• University of Geneva (Switzerland) — 45 students
• EHL Lausanne (Hospitality) — 40 students
• McGill University (Canada) — 30 students
• EPFL (Switzerland) — 18 students

Approximately 34% of graduates gain places at QS Top 50-ranked universities. Graduates also frequently attend Sciences Po Paris and the Sorbonne, particularly French Baccalauréat leavers. The distribution reflects a genuinely global outlook: Ecolint graduates choose universities for fit and programme quality rather than following a single prestigious destination.

Assessment Philosophy

Ecolint's assessment is almost entirely driven by external examinations — IB Diploma, Swiss Maturité, and French Baccalauréat — rather than internal testing. This externalised accountability is consistent with the school's emphasis on internationally recognised qualifications that travel with students wherever they go.

La Grande Boissière: The Historic Heart

Ecolint's original campus at La Grande Boissière occupies approximately 40 hectares in central Geneva. The campus is anchored by an 18th-century château that gives it an atmosphere unlike almost any other international school in the world — grand stone buildings set among wooded grounds, with modern facilities built sensitively around the historic core.

Despite its heritage, La Grande Boissière is not frozen in the past. The campus features a modern Centre des Arts for performing arts, a purpose-built STEM/Innovation Centre, a large sports complex, libraries and media centres, and an outdoor learning trail through the wooded estate. With approximately 1,800 students, it is the largest of the three campuses and serves children from Nursery through Secondary (ages 3-18). Campus principal Jonathan Halden leads a community that blends old-world Geneva elegance with cutting-edge educational facilities.

La Châtaigneraie: Rural and Spacious

Located in Founex in the Vaud countryside — set between Geneva and Lausanne with views towards the Alps and Lake Geneva — La Châtaigneraie offers a quieter, greener environment than the city campuses. With approximately 1,560 students, the campus features a mix of historic and modern buildings arranged around separate Primary and Secondary quadrangles.

The campus is notable for its extensive outdoor spaces, two cafeterias, gymnasiums, a fitness centre, an all-weather football pitch, an auditorium/theatre, and music studios. La Châtaigneraie is also the only campus offering the Swiss Federal Maturité and French Baccalauréat alongside the IB. Principal Soraya Sayed Hassen leads what many families describe as the most community-oriented of the three campuses.

Campus des Nations: Modern and International

Situated in Grand-Saconnex and Pregny — literally a short walk from the UN Palais des Nations, WHO, and WTO headquarters — Campus des Nations serves the densest concentration of international civil servants in the world. Its approximately 1,090 students are spread across two sites: Pregny for Pre-Reception through Year 3 (ages 3-7) and Saconnex for Years 4-13 (ages 8-18).

This is a modern, purpose-built campus with spacious classrooms, performing-arts studios, a large sports hall, a cafeteria, and outdoor play courts. The student community here skews particularly international, with a high proportion of UN and diplomatic families. Principal Isla Gordon oversees a campus where the international community is not just the school's context but its immediate neighbourhood.

The Most International Community on Earth?

Ecolint is fond of saying — with some justification — that there is no school on earth quite like it. With students from over 140 nationalities and more than 80 mother tongues represented across its three campuses, the school's community is a working model of the international society its founders imagined.

This diversity is not incidental. Geneva is home to the highest concentration of international organisations of any city in the world: the United Nations European headquarters, the International Red Cross, WHO, WTO, UNHCR, CERN, and hundreds of NGOs. The families of staff from these organisations — diplomats, scientists, humanitarian workers, economists, and policy makers — make up a substantial portion of Ecolint's student body.

A Language-Rich Environment

In a school where 80+ mother tongues are represented, language is everywhere. Children hear Arabic, Japanese, Hindi, Swahili, Russian, Mandarin, Spanish, Dutch, and dozens of other languages in the corridors and on the playing fields. The school's World Languages programme actively supports mother-tongue development, recognising that bilingualism (English/French) is the school's minimum linguistic expectation, not its ceiling.

This language richness is carefully nurtured. EAL (English as an Additional Language) support helps newly arrived students integrate into the English-medium strand of the bilingual programme. Mother-tongue classes enable students to maintain and develop their home languages. The result is a genuine multilingual community, not just a school that happens to have international students.

An Inclusive Admissions Culture

Unlike many internationally prestigious schools that carefully curate their community through selective admissions, Ecolint deliberately keeps its doors open. The admissions policy is explicitly non-selective — there is no academic screening, no entrance examination, and no minimum test score required. Families are assessed on fit and available space, but not on their children's academic attainment.

This creates a community that more closely resembles the diversity of the real world than the homogeneous high-achiever populations of selective schools. Children learn alongside peers from very different academic, cultural, and socioeconomic backgrounds. The school's philosophy is that this diversity is itself an education — one that cannot be replicated in a classroom and is arguably more valuable than any single examination result.

Notable Alumni

Ecolint's alumni community, spanning a century of international education, includes notable figures across diplomacy, business, arts, and international affairs. The school's diverse intake has produced graduates who have gone on to lead international organisations, build global businesses, and contribute to the arts and sciences across the world.