Here is a decent guide to developing your SCH:
http://www.ffxiah.com/forum/topic/32145/a-scholars-education/

I am planning on gearing it as a standby job to go along with my BLU in NNI. Please pay special attention to the section on NNI for this. I will toss in some other guides I've accumulated as well in reply here.

Since some of us have SCH leveled, but none are really proficient at it, a main point of our practice runs will be to get our SCHs to be really solid on what needs to be done.