Below are the requirements for membership in Phi Kappa Phi. Only those that meet both the credit requirement (Junior or Senior) and the GPA requirement are invited to join. If you have questions about whether you have been invited, please email Jeff Belliston and he can tell you if you were invited. 
Undergraduate students. Seniors with Fall-Semester GPAs in the upper 10% and juniors with GPAs in the upper 7.5% in their colleges are invited to join.
Graduate students. Graduate students with GPAs in the upper 10% are invited to join.