What is the best way to handle this ordeal with my medical history

by Prospect driver
(USA)

When I went to a trucking school, on the first day I had to take a dot physical. On the paperwork I filled out, I didn't tell them about being bi-polar in full remission.

Now that I've graduated from the school I have companies that will hire me but I have to release my medical records to them. They will find out I have this condition and that I didn't put it in my dot physical, fire me, and report in onto my dac report.

This is my question, "If I go to get a new dot physical before I go to the company and disclose all the information they ask on the forms and am found to meet the standards to be a commercial driver, will the trucking school find out I had gotten a new dot physical and will it invalidate the hours I earned during school?"

At this point I feel I have no way out of this situation if the trucking school will invalidate my hours of training. I would be forced to pay for the schooling again and that is not something I want to do. Will being honest now make any difference in my situation.

Considering I met the standards on the first dot physical and also will meet the standards on the second dot physical, do they have grounds for invalidating my hours of experience?

Would it make a difference if I waited until my old dot physical expired then when I get a new one it wouldn't appear out of the ordinary to have the new information on it?