学术排名越前，说明该校的教授越博学、学生课余有问题时越容易找到他们以及对学生的福利越关心。此外，还包括班级人数、和教授沟通的难易程度、学生融入课堂的程度等。

　　下面是A级别的美国大学，a-z.

　　Amherst College

　　Barnard College

　　Boston College

　　Bowdoin College

　　Brandeis University

　　Brown University

　　Carleton College

　　Carnegie Mellon University

　　Colby College

　　Columbia University

　　Cornell University

　　Davidson College

　　Duke University

　　Emory University

　　Georgetown University

　　Harvard University

　　Harvey Mudd College

　　Middlebury College

　　Mount Holyoke College

　　Northwestern University

　　Oberlin College

　　Pitzer College

　　Pomona College

　　Rice University

　　Smith College

　　Tufts University

　　University of California - Berkeley

　　University of Pennsylvania

　　University of Rochester

　　University of Southern California

　　Vanderbilt University

　　Vassar College

　　Washington & Lee University

　　Wellesley College

　　Williams College