Each course lasts for one week . The number of sessions per week varies according to the student's needs, and the duration of the sessions is 45 minutes. The completion time of books varies depending on the number of sessions in each week. 

We classify the courses into the following three categories:

1. Normal courses; 3 to 6 sessions per week
2. Semi-intensive courses; 12 to 20 sessions per week
3. Intensive courses; 20 to 30 sessions per week