Social mobility should mean that, but doesn't in practice. Most job opportunities involving any kind of "knowledge work", or really most jobs that pay better th

Social mobility should mean that, but doesn't in practice. Most job opportunities involving any kind of "knowledge work", or really most jobs that pay better than subsitence income, that don't formally require college degrees, still have them as a job requirement. Most people aren't goint to college because they want to be professors, they're going because they want to be able to get their foot in the door at firms that require at least a bachelor's degree.