City Education Online offers greater choice, more control, and the ultimate flexibility by providing an on line curriculum and 24-hour access to courses. Designed for busy, working professionals Like you, at City University (City U), class is anywhere, and at any time. Our on line business school offers concentrations such as accounting, project management, marketing, supply chain management and much more. Study from experienced leaders from the business world and gain skills that you can take directly and apply to the real world.