What is the NJCAA?? The NJCAA is the National Junior College Athletic Association and is a collegiate league that competes at a high level in different sports. Most student-athletes in the USA know it as JUCO and it is mainly a stepping-stone for those athletes that are not eligible for the NCAA or NAIA division. Also it is for student-athletes that are not as developed but have the potential to make it to a NCAA or NAIA school after they are done with the NJCAA system. A lot