Highest proportion of classes under 20:

　　School(State) Proportion 低于20人班级最高比率

　　Thomas Aquinas College(CA) 98%

　　College Of The Atlantic(ME) 97%

　　Principia College(IL) 96%

　　Sarah Lawrence College(NY) 93%

　　Antioch College(OH) 92%

　　Rosemont College(PA) 92%

　　Sweet Briar College(VA) 91%

　　Bennington College(VT) 90%

　　Wesleyan College(GA) 90%

　　Marlboro College(VT) 89%