Ignoring professional degrees like MBAs, MDs, and JDs, you either go to grad school to do research and/or teach in academia or to learn very specialized skills

Ignoring professional degrees like MBAs, MDs, and JDs, you either go to grad school to do research and/or teach in academia or to learn very specialized skills and go into industry. For the most part, there are usually less specialized roles in industry for people with bachelor's degrees.