Data based on 10 reviews.
not all of the exam/test material is reviewed in class. be prepared to be dumbfounded by some of the stuff you will see on tests/exams.
Be prepared to teach yourself the subject and her tests are way more difficult and different than what she will teach you.
Exams are way more harder than materials studied in class
The overall atmosphere in the class is not proper for the education process, the material is not presented properly and the expectations for homeworks and in-class exercises are way too high.
do your homework