Diversity's Elusive Number: Campuses Strive to Achieve 'Critical Mass'

Is there an optimal number of minority students on a college campus? At what point are diversity’s educational benefits broadly realized, and is there a threshold at which students from underrepresented racial groups feel welcome?

Those questions are at the center of a series of affirmative-action cases at the Supreme Court and recent student demonstrations for improved racial climates.

Read more at The Chronicle of Higher Education: http://chronicle.com/article/Diversity-s-Elusive-Number-/234522