The Associated Press reports:
In an announcement Monday on the White House blog, the first lady says a China visit is important because it is the most populous country in the world, with more than 1.3 billion people, and plays an important role on the world stage.
The White House says Mrs. Obama will travel from March 19-26. ...
In China this month, Mrs. Obama will focus on the power and importance of education, including in her own life, during visits to a high school and a university in Beijing, and a high school in Chengdu.
As an aside, TheBlaze Blog was unable to locate the White House blog post referred to in this report.
Update: An official White House announcement was released shortly after this post published. "During the trip to China, as on previous international trips to Africa, Asia, Europe and Latin America, the First Lady will be focusing on the power and importance of education, both in her own life and in the lives of young people in both countries," read the release.