2025-26: The new online and in-person group courses start in September – October 2025, with registrations open from June 2025 (with promotional and lower prices for those who register early) and registrations open by the end of October (subject to availability of places): the calendars, prices and characteristics of the courses of the various levels will in fact be available from the first days of June. For the 2025-26 school year you will find on this page the calendars (fixed day and fixed time) of our collective courses in presence with the relevant location and online of our French, Spanish, Russian, Chinese, Japanese, Arabic, German, Italian, Portuguese and English courses. The start of the courses is expected from September – October 2025 (we will communicate the start date by September 2025) in the calendar sheet the courses indicated starting from September/October 2025. Discover now our calendars, characteristics of our courses and collective packages: 

🔴 INTERDIALOG COLLECTIVE COURSES with the beginning of September/October 2025 ( clic here )! 🔴

Once you have identified the right group course package to activate, contact the secretariat and be guided in registering! If the group course that’s right for you is not available, individual courses in person and/or online are available immediately and at any time of the year with personalized start and frequency.