Official courses are those whose aim is to provide students with a general command of a language through progressive levels. These are classroom courses that follow the curriculum common to all EOIs in Spain and that lead to official certificates.
The EOIBD offers official courses in the following languages: Arabic, Basque, Catalan for foreigners, Chinese, Dutch, English, French, German, Greek, Italian, Japanese, Korean, Portuguese, Russian and Spanish for foreigners.
Lessons last 135 minutes and include 10 minutes to change classrooms. If deemed necessary, a short break can be included halfway through the lesson.