She was visiting Chengdu No. 7 High School in the southwestern province of Sichuan, an elite school known for its use of distance learning technology to bring quality education to impoverished remote regions in the mountainous province.
Obama has largely avoided thorny, political issues on her China trip, although she made a statement that free expressions, choice of religion and unfettered access to information are "universal rights" in a speech at the Stanford Center at Peking University in Beijing on Saturday.
While in Beijing, she also visited an elite high school, where more than 30 American students are studying as exchange students, and she held a private discussion with a handful of Chinese professors, students and parents.
Obama met with Chinese President Xi Jinping on Friday, before Xi flew to The Hague for a nuclear security summit and held a meeting with President Barack Obama yesterday.
Obama and her entourage will depart for Washington tomorrow.
