Xi-Pi-Hi-Fi
From superman.nu: Supermanica
Xi-Pi-Hi-Fi Sorority
A popular girls' club at Stanhope College that viciously hazes and humiliates prospective pledges. In order to stop the nasty actions, Supergirl insists on being admitted, raising suspicions that she is, in fact, Linda Lee Danvers. With the help of her robot, Supergirl is able to foil the attempt to learn her secret identity and she makes life so unpleasant for the members of Xi-Pi-Hi-Fi that they decide to reform their evil practices (Act No. 359/2, Feb 1968: "The Super-Initiation of Supergirl!").
