At the university level, there are no rules regarding dress. One can wear whatever they like, however, students studying economics or law will normally dress up more than history or art students.
In general, children are taught not to be different and that is it better to be reliable and respectful than outstanding, therefore, this neutrality is often reflected in their clothing choices.
Grades are based on a scale from 0-6, six is the best. 4 is a passing grade.
Lectures and discussion groups are used at the university level. Most classes are accompanied by a seminar class in which a professor or teaching assistant will lead discussions and debates.