Over the last two decades, bachelor’s degrees have become standard for entry-level jobs in nearly every occupation, and as more workers went into the job market with a bachelor’s degree, a master’s degree became more valuable as a way to specialize and stand out from the competition. Fortunately for busy professionals, online education also evolved during that time, making a master’s degree more convenient and accessible for adults who want to advance in their career. (UVA ranks No. 5.)