cream wrote As for your mother, give her all the information about how many successful women are in sororities. Show her the NPC website and the websites of greeklife at your college and their chapters. I suggest that you save some money so you can pay your way. More excellent advice!
Mention the scholastic part of Greek life and how it would be especially beneficial to you. You will be meeting women who actually graduate from college, have a GPA to maintain and associating with leaders on the campus. All that should warm a mother's heart!
If they have designated study hours, mention that too!