Prince Harry and Meghan Markle arrived at the University of the South Pacific where they will watch a performance by Oceania Dance Theatre about climate change.
From there the couple will chat with the students.
The mum-to-be protected herself from the zika virus, wearing a long-sleeved in a colourful pink dress with a blue and white floral pattern, designed by Figue - which retails for $2100.
Prince Harry kept with the traditional theme wearing a local bula shirt.
In her first speech of the tour, the Duchess of Sussex said: “Everyone should be afforded the opportunity to receive the education they want, but more importantly the education they have the right to receive.
“And for women and girls in developing countries, this is vital. Providing them with access to education is the key to economic and social development.
“Because when girls are given the right tools to succeed, they can create incredible futures, not only for themselves but also for those around them.”
Earlier in the day, Harry, dressed in his formal royal whites, visited Suva War Memorial without Meghan.
There, the Prince laid a wreath and met with Fijian war veterans.
The Duke said, “Your soldiers fought with the British Armed Forces during the First and Second World Wars and continue to serve alongside our soldiers to this day, with more than 1,250 Fijians currently serving.
“I must emphasise my respect, admiration and camaraderie with the Fijian soldiers that I served with in Afghanistan.
“We trained together, we fought together, and most importantly we laughed together.”
Later today Harry and Meghan will go their separate ways, where the Duke will unveil The Queen's Commonwealth Canopy Project and the Duchess will visit the British High Commission and the Suva Market.