Warwick Business School and IE Business School are the top-ranking online MBA schools in the world. This article compares the programs at WBS and IE to help you choose the right program for your career aspirations. Ranked 1st in the world by the Financial Times*, our Distance learning MBA combines inspirational teaching with flexible online learning, now available from Warwick or London. If you’re looking for a way to accelerate your career, increase your business knowledge and leadership skills and maximise your board level awareness without stepping out of work, our part-time programme could be your The Warwick online program usually takes two to four years to complete; until 2016 the school required three years of study, but now the program can be finished in as little as a year and five months. This highly ranked online MBA has two intakes, in June and January.