Education was a part of class stratification in The Great Gatsby. The wealthy went to school such as Harvard just because they could and if you hadn't gone to such a higher education center you would not be in the higher class.
“'My husband wanted me to go pick up his dry cleaning and then get the car detailed. What do I look like, his personal valet? Do you know that he went to some cruddy little college in Pennsylvania and I went to Harvard?
Harvard University, USA About: Harvard University is an American private Ivy League research university located in Cambridge, Massachusetts, United States, established in 1636 by the Massachusetts legislature