There is a free 1/2-length practice exam available on our website. It gives you a very accurate and predictive score for a 1/2-length exam. Be sure to push the "Export to Excel" button from the results page if you want to save/review your results later. Good luck. There are also free 1/2-length exams from Kaplan, Princeton Review and NextStep available on their respective websites. If you take them all you will notice that some are far better matches to the real AAMC materials than others.