Kalamazoo Central High School Commencement

President Barack Obama greets students from Kalamazoo Central High School's graduating class, during a surprise appearance in a gym at Western Michigan University in Kalamazoo, Mich., June 7, 2010. The President later delivered the school's commencement address after they won this year's Race to the Top High School Commencement Challenge. (Official White House Photo by Pete Souza)

Featured in the Following Photo Galleries:

• June 2010: Photo of the Day