A recent study shows that about 42.6% PA schools requires GRE exam for their admissions, schools like Oregon and SUNY do not require a GRE test score. However, the average GRE score requirements around 300 scores.
Interestingly, many PA Schools requires other test like MCAT for their admission but taking GRE test can enhance your chances of admissions because somehow, GRE test is also the part of decision making process of admissions in PA Schools.