Investments on 529 plans are done on the basis of how they are ranked the top most or the lower most. 529 plans ranked the highest get more attention from the investors and the plans that are ranked lowest get fewer investments.  In the first lace those who have meager monetary resources or low budget would be the ones seeking for the  529 plans ranked  high. Since, 529 plans ranked high would be the ones availing maximum benefits and less investment in the college education. So, it is obvious that an average investor will look for the list of 529 plans ranked high or low and will make decision accordingly.