The Institut national des langues Luxembourg (INLL) is:
- a language learning centre for adults;
- a certification centre for language skills.
The INLL provides courses for adults in ten languages: German, English, Chinese, Spanish, French, Italian, Luxembourgish, Portuguese, Dutch and Russian.
It also offers training to obtain the ZLSK ("Zertifikat Lëtzebuerger Sprooch a Kultur") for Luxembourgish language teachers.
It is a public administration under the authority of the Ministry of Education, Children and Youth.
Luxembourgish tests and exams
The INLL is the national certification centre for official diplomas and certificates in Luxembourgish.
It certifies the diploma LaF - Luxembourgish as a foreign language ("Lëtzebuergesch als Friemsprooch"). Knowledge of Luxembourgish as a foreign language is certified for the various levels of the Common European Framework of Reference for Languages.
It organises the Luxembourgish language assessment ("Sproochentest Lëtzebuergesch") assessing the oral skills in Luxembourgish for citizenship applications. The levels to obtain are B1 for oral understanding and A2 for oral expression.
International tests and exams
The INLL is the certification centre for international tests and exams in foreign languages. It organises the exams for international diplomas and certificates in cooperation with its partners in German, English, Spanish, French, Portuguese and Italian.