Highest proportion of classes under 20:

　　School(State)(*Public)                 Proportion

　　Union Institute And University(OH)      99%

　　National-Louis University(IL)           92%

　　New School University(NY)               89%

　　Alliant International University(CA)    86%

　　SUNY Col. Environmental Sci. & Forestry*77%

　　Yale University(CT)                     77%

　　Wilmington College(DE)                  76%

　　Tufts University(MA)                    75%

　　Princeton University(NJ)                74%

　　University Of Pennsylvania              73%

　　Washington University In St. Louis      73%