Advice?

can anyone tell me if they earn their certificate for LPN in a non-accreditted program, and if they procude their nursing as an RN. my plan is to take the stepping stone as an LPN first then continue to the RN, but i know that most schools dont transfer the classes and my prerequits. are not so great, their c+ in science classes, thats my problem to begin with in college taking my on for the rn program. any advise, thank you.