Hi I am takeing the PSB exam on March 25th. I have to take two parts that I failed to be able to pass the exam. I failed the natural science part and the verbal aspect part. I have been studying all the guides they say study,but I am still having trouble with the verbal part. Please if any one know of more study material that may be of some help please post. The school that I am testing for is Shadyside school in Pittsburgh.