Just so it's clear, the principals' association (PASS) is also up to negotiate their new contract this year. Word is that the district did not even want to take this on last year and just kept the old one. One major sticking point (and I'm not sure exactly why) is that the district wants the principals to be classified more as executives than hourly workers. The principals don't.
Clearly, the principals are not hourly workers; they receive a salary. But I think the issue might be that the principals have so much piled on them that they wonder how to get everything done.
What came to my attention (and my surprise) was how new the idea of the principal being the "academic leader" of a school is versus just a manager. Principals now have a lot on their plate. They must manage a school and its budget, provide academic leadership to teachers (and, if they are secondary schools, to departments), be available for PTA issues and, of course, be the public face of the school they represent. It's a lot to do. And, in our district, be prepared to move mid-year if Dr. Goodloe-Johnson waves her wand.
Here's a link to the district webpage with all the contracts.