Summer courses for adults 2026: take your training to the next level

This summer, take your language learning to the next level with CLL’s summer courses for adults. In English, Dutch or French, choose the formula that suits you in Brussels, Louvain-la-Neuve or by videoconference, and take advantage of early deals to book at the best rates.

One summer can change everything: a new project, a new professional challenge or simply the desire to become more fluent in a language. At CLL, it only takes a few weeks to give your progress a real boost.

Boost your level this summer

CLL’s summer courses for adults are designed to help you make rapid, concrete and lasting progress in a motivating, results-oriented environment.

A formula to suit your summer

Several formats are available, depending on your objectives: Summer Boost face-to-face, Summer Boost Visio, Summer Language Pass, private lessons, Conversation Clubs and preparation for official exams such as the TEF and the TOEIC.

Continued progress

With Lcampus® and the Linguistic Butler® IAyou can continue to practice and progress outside the classroom.

Early deals: book early

The Summer Boost is available from 299 €the Summer Language Pass from 595 €and the Conversation Clubs Visio from 149 €. The earlier you book, the more you save.

Where and when?

Summer courses for adults run from June 29 to August 28, 2026, à Brussels, à Louvain-la-Neuve and by videoconferencein English, Dutch or French.