Mastering Languages, Embracing Swiss Culture!

Overcome language barriers and unlock your positive way of life!

The Ardevaz school building, a student with a cheerful expression holding a book, and students inside the classroom.
Professional Methodology
Flexible Schedule
Certified Teachers
Individual Programs
Highest Reputation
Living and Support
The Ardevaz SLS students are taking selfie at the railway station in Switzerland.
The railway station in Switzerland with a beautiful view.

Who We Are

Language School in Valais

The well-known language school in Sion with 40 years of experience teaching students of all ages new languages. At our school you may learn French and other languages.

We provide the ideal opportunity to fully immerse oneself in the language and culture with a broad selection of language courses that are suitable for learners of all levels, from absolute beginners to expert students.

We provide flexible learning alternatives to meet your schedule.

We have a strong reputation as a reliable language school, where you may gain confidence and fluency speaking French in Switzerland.

eduQua, Swiss quality label

The Swiss quality label for continuing education institutions, ensuring excellence and professional development opportunities.

FIDE test

Certified and recognized proof of language issued by the Swiss State Secretariat for Migration (SEM).

Swiss Federation of Private Schools.

The organization represents and supports private schools in Switzerland, aiming to uphold educational standards and promote collaboration among its members.

Our Mission

Make students successful through language proficiency and Swiss cultural competency.

Why Choose Us

Language Courses in Valais

Our courses are designed to provide you with the skills and confidence necessary for effective interactions in a French and German-speaking environment, whether at work, in public places, or when socializing with friends.

We believe that learning a language is more than just words and grammar, it’s understanding and embracing the culture the language represents. Join us and start your journey into the world of the French language!

The students of the Ardevaz Language School are engaged in the interactive task.

Language Passport - FIDE

Gives a lot of benefits for your career development. Our skilled teachers and individualized approach will ensure that you are well-prepared for the exam and ready to excel.

Our Courses

Advanced Language Courses

Elevate your language skills with our courses, designed to enhance fluency and proficiency in French and other languages.

French Group

English teacher is explaining the grammar rules at Ardevaz SLS.


The girl is following private French classes at Ardevaz SLS.

French Private

The girl with a German flag is standing in the school hall.


The student is attending the business French course in a small group at Ardevas SLS.

French Corporate

The happy student of Ardevaz SLS is holding a Spanish flag.


Become a student

Improve your language skills

Enhance your language proficiency and excel in all aspects of communication – reading, writing, listening and speaking.

Our comprehensive language programs are designed to develop your skills and help you become a confident and fluent language speaker.

Join us and unlock your full language potential.






General Questions

What our students ask the most.

You can reach level A1 in 9 weeks, which will allow you to be able to get by in basic everyday life conversations. Then, it takes between 7 and 9 weeks to reach a good A2 level. Level B1 can be reached in 10 weeks.

The Ardevaz SLS school is located in the city center of Sion, 8 minutes from the train station and the city center, in a school district, very quiet and yet close to everything.

New courses start regularly, constantly and it is possible to join a group during the year. Fill out the contact form and we will let you know the different options.

The main language of studing is French. But our students can also learn English, German and Spanish.

We are a family business; students become friends and our goal is your success. Unlike other schools, the teachers know all of their students and we all work together to achieve your goals.


What student say


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