Blogs are hard to keep up to date with. Here are my recommendations of educational blogs worth reading.
Harvard Business Review
Business based magazine and blog articles that are as relevant to the management and leadership of schools as they are to the business world they are aimed at. Keeping employees happy or ensuring that communication is honest and efficient are principles that apply to both worlds. Articles aren't overly wrong and I find the titles help me to identify the ones most relevant to me. Intelligently written without getting into hyperbole and technicalities.
Recent post of note - http://hbr.org/2013/04/in-the-company-of-givers-and-takers/ar/1
The principle that people fall into the two categories of giving and taking and that boundaries have to be drawn to create a balance in employees.