The exam will take place on May 8, 2008.  You would have had to register by March 31, 2008, to be eligible to take the test.   By the beginning of the fall, in September, they should publish the date on the internet for taking the examinations in 2009.   Make a note to sign up early and begin studying now.  Biology and Physics, Chemistry and Mathematics, are all extremely important on this test.  You will get about three hours to take the exam.  You must be prepared because that works about to be a little over one minute to spend on each question.  Many students hire tutors to help them prepare for the examination, by reviewing and testing themselves on everything they have learned throughout there years of study.   It takes months and months of exhaustive work to be fully prepared, but the high scores you receive, will allow you to pursue at good career.