My son was admitted into AP Biology as a freshman only to find that it "did not meet the requirements" for the state for his biology credit. He had a choice of either taking regular biology during the summer to make up the credit to graduate or exit AP Biology and finish out the year with regular biology. He chose the latter.

You might look into whether state requirements for graduation are part of the issue.

Just a thought.

~Lisa
http://www.lisaabeyta.wordpress.com/