Two years ago, I taught middle school and was very unhappy. I spoke with my principal and he told me that he would approve a transfer for the following year. When it came time for transfers, he refused to sign the request. I did not list him or my assistant principals as references on my application. I left the school at the end of the year and subbed last year in a different district. I have been flooded with interview requests from the new district. A few weeks ago, I had an interview and was offered a job on the spot on a Wednesday. I was super excited to work with this principal and her school. On the following Monday, I called the school because I had not heard anything from the district. The principal told me that the previous school had given me a bad reference so she could not give me a job. I called my previous school but they won't return my phone calls. Last Wednesday, I had another interview at a different school and was offered a position later that evening. I signed my intent the next morning but the intent states that it is contingent on background check, references, and certification check. I really want this job but I am scared I might lose it again.