If you are wondering about the research on effective libraries (and librarians) as well as the perceptions of administrators and how to deal with their realities, you need go no further than the new MOOC (Massive On-line Open Course), hosted and taught by Wendy Newman of the University of Toronto.
You can register for the MOOC and participate, contribute, discuss with colleagues and/or you can pick and choose among the 26 short (3-5 minute generally) video lectures by guest experts on a variety of subjects (I confess to being listed as one of them).
The introductory video is here:
One of my contributions, around research on school libraries and why advocacy is not working (shot from a ship’s cabin in Antarctica–how the world is getting small!) is here:
Enjoy the show(s)! And take the course to get full value (and the return will be far greater than your investment!).