Here is a plan no one has suggested but I could see working:
Legally, but as quietly as possible, change the name of the school from the University of Connecticut to "The University of Texass," have some business cards made up to that effect with the second "s" in texass and the address in a really small font that you'd need a magnifying glass to read, have Herbst dress up as William Powers and arrange to meet with the ACC down in Virgianialina somewhere where she tells them "Howdy, y'all, we're here from the University of Texass, and we'd just love to join your little old conference here if'n you'll have us," have her sign whatever contracts that they want, then have Herbst tear off the mask to reveal who she really is and high five Pendergast (who has just torn off his DeLoss Dodds mask) as they run out of the meeting and hightail it back to Storrs, stopping at the courthouse on the way to change the name of the school back to the University of Connecticut, arrange a press conference where some assistant to Herbst is answering questions about realignment in the most bland and hopeless way possible when, suddenly, the lights go out, Herbst is fired out of a cannon placed in the back of the room that none of the reporters had noticed, she lands on stage and says "Konichiwa, bitches! Your welcome" while a banner that reads "University of Connecticut to the ACC: Mission Accomplished" is unveiled behind her as Connecticut native John Mayer starts jamming Stevie Ray-style on the side of the stage while Pendergast body surfs through the crowd holding a flaming pimp cup full of grain alcohol.
No one on this board can honestly say that this plan isn't 100% foolproof.
