My two cents worth, trust your instincts about the stability of the current job.
Trust your instincts in considering your options - be grateful for the options! Don't let them overwhelm you.
Define your goals and see what path will help you get there and which ones don't. When I went back to school as part of my goal, I found it much easier to make decisions as I looked at what gets me to my goal. I was in the midst of D and was laid off my job with two kids at home and a parent who was terminally ill. Staying focused helped with decision making and I have no regrets. I reached my goals BTW.