E (emperor) - The highest rank only the leader will get this rank.

AOE (Apprentice of the Emperor) -Like Maul, Doku and Vader Again there is an Apprentice of high skills and power!
ERBG (Emporers royal BodyGuard{s}) - Third highest rank and swarn protectors of the emperor.
LD (lord) - The Guys who Pass a Council Decision and are High in command!
SCL (Sith council leader{S}) or JCL (Jedi Council Leader{S}) - These guys are the ones to consult if you would like something they are the third highest rank.
SC (Sith Council) or JC (Jedi Council) - The members of the council they will vote on Decisions.
SM (Sith master) or JM (Jedi master) - The people who will train you and take you as an Apprentice/Padawan.
SK (Sith knight) or JK (Jedi Knight) - Congrats you are a good fighter and a wise person to get this rank.
S (Sith) or J (Jedi) - you are ready to fend for yourself and will be able to have a padawan or apprentice you are now ready to face the trials.
SIT (Sith in Training or JIT (Jedi in Training) - almost there but not yet.
P (Padawan) or A (Apprentice) - The lowest rank
a Jedi or Sith in the making, good luck.