Found at the PBS Teachers website...
President Barack Obama will deliver a 20-minute national address to the students of America Tuesday, Sept. 8 at noon ET. During this special address, the president will speak directly to the nation’s children and youth about persisting and succeeding in school. The president will challenge students to work hard, set educational goals, and take responsibility for their learning.
The U.S. Department of Education encourages students of all ages, teachers, and administrators to participate in this historic moment by watching the president deliver the address, which will be broadcast live on the White House website, via satellite, and on other networks at noon ET.
Teacher Resource for plans here: