Trying to judge the outcome of Britain’s potential exit from the EU or “Brexit” on any front—trade, diplomacy, education—is a process bogged down in uncertainty. The vote itself is still close though in recent days, the “remain” campaign has increased its odds of winning, according to Britain’s betting houses. But if the “leave” camp claims victory, there’s no telling how the U.K. government will rewrite EU laws that dictate so many aspects of British life, including higher education.