A report from SCALE 2008

"Over the years he has taught, the language used in the advanced placement course—dictated by
the state—has gone from Pascal, through C++, and now uses Java, with some rumblings being
heard about moving to Python."

AP tests aren't administered or dictated by state (or, indeed, any) government, but rather by
CollegeBoard, the company which makes the tests. Reference
http://www.collegeboard.com/student/testing/ap/about.html