Unfortunately, the nursing profession is very much like middle school. I've been in it for almost 10 yrs, and I just haven't figured out exactly why we are so compassionate and tolerant of our patients, yet (occasionally) so mean to each other. Believe me, I understand. I completely understand why you alluded to your education, because in many circles that should be something that earns you some respect, or at least a seat at the table of (attempted) mutual understanding.
A few of the lessons I have learned:
1) smile a lot, don't talk about others even if others gossip to you
2) do not reveal information about your private life (well things that could be controversial like your husband was an abuser or your son is failing kindergarten or your political and/or religious beliefs UNLESS they are shared by most on your unit)
3) as you can see, emphasizing your intellect, knowledge, or experience in other areas is not well received by many (some will relate to you more but that's another subject)
4) try to communicate using brief, simple statements that are NOT defensive or critical or intellectually condescending
5) when you make a small error, DONOT attract attention to yourself by being either overly peninent (" I can't believe I did that, OMG, what am I doing?", or overly defensive "everybody does that.... it was really --------'s fault"). Just smile and MOVE ON.
6) Staff people love nurses who cook and/or bake once and a while for the whole unit. Yes, it's a lot of work, and yes, you are very busy with everything else in your life, but if you are genuinely happy and maternal when you bring stuff in.... that can go a long way in the damage control dept.
7) Accept that nursing, like every other experience in life, is simply not fair. Some people, who are the same everything as you (smart, generous, well humored, clinically proficient etc) will be more well liked and respected, and some will be less so. Why? Who knows.