  This paper aims to present an online placement test. It is based on the Item
Response Theory to provide relevant estimates of learner competences. The
proposed test is the entry point of our e-Learning system. It gathers the
learner response to a set of questions and uses a specific developed algorithm
to estimate its level. This algorithm identifies learning gaps, which allows
tutors to conceive sequence of courses and remediation adapted to each case of
learner, in order to achieve a competence.
