Back to school at 34!!!!

I cant take my job anymore. its dead end. the most ill ever make is $22 and thats not enoygh for me as a single mom. so ive decided to go back to school. id like to become a nurse. any women on here go back to school in there 30s. ill have to start from scratch and take all my pre reqs.

any advice would be appreciated for a future nurse...