Can someone choose what I should be a. baddie, softie, or a uh.. indie style?

(here a pic of me so you know if I'll look good in any style.

-Delilah

In this unit, it is mentioned that in order to enter into the field of photography, most jobs require at least a high school degree. since there is a possibility you can attain one of these jobs with just finishing high school, why do some people get an associates or bachelor’s degree?