OMG

I am starting to study Spanish at the university this fall.

I'm starting on the beginners level and my goal is to be able to teach in spanish on high school level in the end. From my starting point that is 2 years fulltime Spanish studies.

My goal is within a 5 year period have completed the requirements.
But how many books do you actually need for one course?!

Of course there is the dictionary, but 5 ?! coursebooks on top of that for a 30 credit course....