Where an appeal from a preliminary injunction becomes moot and the plaintiff invokes a public interest exception to mootness, the plaintiff must demonstrate that the specific order on appeal satisfies the requirements for the exception, regardless of whether the merits of the underlying case do.The 1st District Appellate Court dismissed an appeal from a decision by Cook County Circuit Judge Thomas R. Allen.In 2013 the U.S. Department of Education’s Office of Civil Rights filed suit against Township High School …