Make sure that you pay attention and make study sheets. You will need to set aside a few hours for studying. The writing portion of his tests are easy but the multiple-choice can trip you up if you don't read carefully. Purchase the Barrons review book for the SAT2 even if you are not taking the test. It is very useful and it breaks down every topic for you with diagrams and bullet points.
The class he teaches currently is Creative Writing. As a writer, you have to be well prepared for conflicts in your writing and improvisation skills must be high. You more often than not are writing to create a picture for him to enjoy as he reads. All essays and homework assignments are out a 100. Anything you miss is a fatal blow. Classwork is easy to catch up on.