Adobe KnowHow, New York

Backed by the world-renowned Adobe software brand, Adobe KnowHow is an online school that offers students the opportunity to sharpen their skills in a wide variety of computer programs and web-based applications. There are courses in Adobe programs of course, such as Adobe Dreamweaver and Adobe Photoshop, as well as in programming of iOS and Android apps. Some classes are highly specific—training in Excel 2013 for lawyers, for instance—while others cover broader topics like digital photography and designing Facebook pages for businesses. All classes are divided into chapters students can take at their leisure; they also all have a free 15-minute sneak peek potential students can check out to be sure their computer hasn't turned into a toaster.