I guess I'm not understanding the need to move now, as opposed to a few years out. Your DH doesn't have a job in the area, and you don't mention what your dissatisfaction is with your current location. Personally, I would only move a HS-aged child if I absolutely had to. A child that age is working towards college and career, not to mention very involved with activities and the social scene, typically. Starting over in a new environment is difficult. That said, we did move twice with kids in middle school (in 2008, when my older two were starting 6th and 8th, and again in 2015, when #3 was starting 7th). Not gonna lie, these moves were hard on the whole family, especially the MS kids. In the case of our 2015 move, DH went ahead in May, the rest of us followed in July, after my older son graduated HS. We absolutely had to move--DH's job ended. We gave consideration to moving sooner, but older DS really didn't want to switch HS midstream, and I couldn't blame him.
Bottom line, if you don't have a compelling reason to move now, I wouldn't.