I don’t know I often saw Diana being maybe around the same age as Nessie. That she and Nessie go to Holliday College together and she stays with Nessie
I like the idea of Diana in academia and while like I said I did consider making her a grad student, another reason I decided against that was because I wanted her to be more on equal standing with Bruce and Clark. Still being in school (even as a grad student) really doesn't do that.
Keep in mind that you have about as much chance of changing my mind as I do of changing yours.
Being aware of her reputation is not the same thing as treating her as a celebrity. Artemis and Trevor Barnes, just for examples, certainly did not treat Diana with anymore reverence than they would the average person.
Edit: I think the fact that people can't even agree on what type of job Diana Prince should have is telling as to how pointless a secret identity for Diana is.