Is every program like this?

So we are in finals now. We have one teacher who is very ambiguous about what she wants us to do. We thought it was funny at first that forgot what she would tell the class . Now we are wrecked from the experience. She has lost test, given quizzes and then told us they were test scores, marked enough right answers wrong to make the difference between a pass or fail grade,covered mass amounts of material and told us it would be on the test -we never saw a lick of it, she is constantly giving us the wrong dates for exams and quizzes -we walk in studying for the test tomorrow and she gives it that day. We complained about her ,and had her audited. Nothing was done, in fact the students were told they were being disrespectful -not a big shock considering most programs don't want to go through the process of rehiring a new teacher. This teacher has her Masters, she can not be so light headed -at least I hope not. Could it be true that she is that diabolical? I wounder if any other program has that teacher, and what happened ? I just hope I pass her class.