Did you fail the exams and proctored exam?
Radiography has been VERY hard for me as well. I've had to watch webinars, make flashcards, review exam questions over and over again and I'm stressed about how I will test on the proctored exam, as it is closed book. I'd keep checking online to see if there is a school that will let you take a course in radiography or maybe even a community college. Student services should have some advice or recommendations for you as well.
Best of luck!