Zertifikat Lëtzebuerger Orthografie

The ZLO is a standardized national test consisting of 90 questions on Luxembourgish spelling. It is designed to assess the percentage of correct answers given by candidates.

The ZLO is organized by the National Institute of Languages Luxembourg (INLL).

Intended audience

This test is intended for anyone who wishes to certify their skills in Luxembourgish spelling through a national test. No prior requirements are needed to participate. 

The test

The test consists of 90 questions on Luxembourgish spelling. Each sentence presents a word for which the correct spelling must be chosen from four options. Only one answer is correct. The test is conducted on a tablet. 

Evaluation

The evaluation is carried out through the application on the tablet. Every candidate who completes the test receives an official certificate issued by the INLL, indicating the percentage of questions they answered correctly.