Applications were up this year — as were rejections. And now the pressure has shifted from students hoping to get in to colleges hoping accepted students will choose them. Colby, Middlebury, and Wheaton, among others, use second-semester admission to help with enrollment management. Chart: With 4,835 applicants, Colby’s admit rate for fall 2008 was 30.5 percent (an all-time low for the College).