Private schools in Switzerland once again top the five most expensive schools in the world in the Spear’s Schools Index 2025.
The renowned Swiss boarding school Institut auf dem Rosenberg topped the index as the world’s most expensive school, while other big name Swiss schools, including Institut Le Rosey and Aiglon College, are also represented.
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The schools on the list are steeped in tradition but remain future-focused, with an emphasis on lifelong learning and embracing the outdoors and activities away from study.
The Spear’s Schools Index 2025 lists the very best private schools in the world, and these five schools represent the most expensive.
These esteemed institutions cater for high-net-worth families seeking an unparalleled educational experience for their children – with fees to match their high standards.
What are the world’s most expensive schools?
This list looks at the boarding fees of the top schools in the world featured on the Spear’s School Index 2025.
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Institut auf dem Rosenberg: $183,000 per year
Long synonymous with academic excellence and innovation, Institut auf dem Rosenberg continues to uphold its legacy of providing a transformative, top-tier education. It’s staggering fees make it one of the most expensive schools in the world and a favour of HNW families internationally.
Describing its teachers as ‘artisans of education’, Institut auf dem Rosenberg offers an education worthy of future leaders – equipping students with the tools to achieve both academic and personal success.
Designed to foster entrepreneurial minds and address some of the problems of mainstream attitudes and approaches to education, Rosenberg offers a unique approach to schooling. An individual development plan is written for every student, following the proprietary Rosenberg International Curriculum, and older students can incorporate preparation for a range of exams, including IGCSEs, A-Levels, AP exams and the IB.
Read Institut auf dem Rosenberg’s full profile on Spears500.com
Institut le Rosey: $115,000 – $167,000 per year
Institut Le Rosey, often referred to simply as Le Rosey, is one of the most prestigious and exclusive boarding schools in the world – it is not known as the ‘school of kings’ for nothing (King Juan Carlos of Spain, King Fuad II of Egypt and King Albert II of Belgium were all students there).
Royalty and other high-net-worth families choose Le Rosey for its exceptional academic standards, diverse and international student body, and unparalleled facilities across two campuses.
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The Rolle campus sits on the edge of Lake Geneva and boasts two swimming pools, tennis courts, a school yacht, a shooting range, an equestrian centre, and a concert hall, which has hosted the Royal Philharmonic Orchestra.
There is a second campus in Gstaad where the school body decamps during the winter months.
Le Rosey encourages students to lead active and healthy lifestyles and students are often to be found on the slopes in the afternoon during winter, or enjoying tennis, sailing, swimming, and horse riding in the summer term.
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Le Rosey’s bilingual approach – students are taught in English and French – attracts students from across the globe. The small student body – there is a ratio of 150 teachers to 420 pupils–is made up of pupils from more than 60 countries, creating a truly multicultural and international learning environment.
On graduation, Le Rosey alumni gain access to a private online portal with the contact details of almost every other living former pupil.
Read Institut Le Rosey’s full profile on Spears500.com
Aiglon College: $98,300 – $163,800 per year
The founder of Aiglon, John Corlette, taught at Gordonstoun, where he was inspired by the experiential education philosophy of Kurt Hahn. So it’s no surprise that the popular international school follows a British model.
Since 1949, the school has championed the development of young people through mind, body and spirit – it was at the forefront of introducing meditation into students’ daily routines.
In 2022, Aiglon launched its first scholarship, the Alumni Eagle Scholarship, which utilises funds to support one pupil each year through their journey at the school.
Read Aiglon College’s full profile on Spears500.com
Collège Alpin Beau Soleil: $138,500 per year
Situated in the heart of the Alps, Collège Alpin Beau Soleil is a beautiful place to study. This top-tier institution seeks to provide students with a well-rounded education that embraces extracurricular activities, arts and athletics alongside academic life.
Founded in 1910, Collège Alpin Beau Soleil hasn’t stood still, and continues to adapt to evolving education trends. Student life at Collège Alpin Beau Soleil is challenging and enriching, with a curriculum taught in English and French.
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Collège Alpin Beau Soleil benefits from a small-school feel despite the breadth of opportunities it offers both in and out of the classroom.
Its unrivalled location in stunning natural surroundings is a classroom in itself, and students have the chance for exploration, adventure, and experiential learning. Skiing, snowboarding and hiking are also encouraged.
Read Collège Beau Alpin’s full profile on Spears500.com
La Garenne International School: $88,100 – $133,300 per year
La Garenne is a co-educational, family-run IB diploma boarding and day school that offers an outstanding education to primary, middle years and senior school pupils. Although the curriculum is taught in English, La Garenne takes a bilingual approach to educating its community, who are all fluent French speakers.
Indeed, one of the aims of the school is to teach its graduates to thrive in an international setting.
Pupils are encouraged to develop a lifelong passion for learning and thrive in the warm, family atmosphere.
Read La Garenne International School’s full profile on Spears500.com
