Lauren Wright of Princeton University said that First lady made only eight speeches in 2017, her husband's first year Donald's Presidency. Her predecessor Michelle Obama turned 74 in 2009. Wright said: "In recent times, she would qualify as probably the least active first lady."
Trump recently promoted his BeBest anti-bullying campaign on the New York Stock Exchange.
She was accompanied by a group of students from United Nationals International School.
However, the event was not without controversy.
Adam Pincus, the school's daughter, told the Washington Post: “She is the representative of the Trump government, whose modus operandi is lying and intimidating, two of the biggest and most basic lessons we teach children to avoid in life. "
She was 46 when she first entered the White House.
Trump is therefore the seventh youngest woman to become first lady.
Hillary clintonObama, Grace Coolidge, Edith Wilson, Jacqueline Kennedy, and Frances Cleveland were all younger than Trump.
Trump is in the midst of an attempt to be reelected for a second term.
He will hold a rally in Minneapolis next month at the Target Center.
This precedes a trip to Bangkok for the Summit of the Association of Southeast Nations.
He will then head to Santiago for the Asia Pacific Economic Cooperation Summit.
He will return to London to the 30th NATO summit in December.
Trump is the 45th POTUS.