May 31, 2011 | 3:56 PM | By

US President Barack Obama greets a gradu

President Obama greets a graduate of Booker T. Washington High School during the school's May 2011 graduation ceremony. Obama called the school one of the country's most inspiring.

US President Barack Obama greets a graduate Christopher Dean after he received his diploma at the Booker T. Washington High School graduation ceremony May 16, 2011 at the Cook Convention Center in Memphis, Tennessee. The school is the winner of this year’s Race to the Top High School Commencement Challenge. Dean appeared in the video which help the high school being selected for the commencement challenge. AFP PHOTO/Mandel NGAN (Photo credit should read MANDEL NGAN/AFP/Getty Images)