@feature4: I took it yesterday and barely passed with a 51. Basically it’s a computerized calculus AB exam with 44 questions (27 non calculator and 17 calculator). They don’t “normalize” or curve the test; the scores range from 20-80 and everyone starts off with 20 points. For every question you get right, you get one point added to your score. ETS recommends that colleges give credit for a score of at least 50, but every school reserves the right to set their own minimum passing score requirements so check with your school.
To practice for this test, I used Amsco’s AP Calculus AB/BC review book by Maxine Lifshitz and also purchased the calculus CLEP study guide from the collegeboard for $10. The study guide’s difficulty and format matches that of the actual exam.
Lastly, the calculus CLEP exam is much easier than the calculus AP exam. I received a 1 on the AP Calc AB exam but passed the CLEP after 1 month of relearning the concepts.
Best of luck on your exam.