Michelle Obama flew to Washington ahead of her husband on Monday and then visited Georgetown Day School.
Reporters and camera crews had camped out at two other Washington private schools: Sidwell Friends School and the Maret School.
Ellie Lasater-Guttmann, an 8th-grader, said she saw Obama as she left the nurse's office Monday morning and was delighted when she said hello to her. In an interview on a sidewalk off-campus, she called it the highlight of her day.
The Obamas' children, 10-year-old Malia and 7-year-old Sasha, now attend a private school in Chicago.