During her visit to the ID Mkize School, she announced that the Chevening scholarship - the government's awards scheme aimed at developing world leaders - would be opened up to 100 more of "Africa's brightest young people".
Last week, Mr Raab said he was confident of reaching a deal when he was setting out government advice to businesses on how to prepare for any failure to do so before Britain leaves on 29 March 2019.
Despite describing her moves as robotic, most are reporting positively on her announcement to increase support to African economies and boost trade with the continent.
The Prime Minister on Thursday is expected in Nairobi, where she will meet President Uhuru Kenyatta and see British soldiers training troops from Kenya and other African countries in the techniques needed to identify and destroy improvised explosive devices before they go to fight Al-Shabaab in Somalia. They say any outcome - the deal negotiated or "no deal" - would lead to Britons losing some significant rights that they enjoy as European Union citizens, including the right to move freely anywhere in the EU.
The Cabinet minister said he had quickly established a "good professional and personal rapport" with the EU's chief negotiator Michel Barnier.
Mr Raab struck a bullish tone during his exchanges with peers, who aired their concerns and sought greater detail on issues including the Northern Ireland border issue, the proposed new facilitated customs arrangement, the current state of talks, plus preparations for a no-deal scenario.
Google rebrands Indian payments app Tez ahead of global expansion
The service supports 28 languages, including prominent Indian languages like Hindi, Bengali, Malayalam, Marathi, and Tamil. The app's users can take out a customized loan and get the money deposited directly into their bank account.
Earlier Tuesday, May visited the I.D. Mkhize High School in Gugulethu township where she was greeted by singing and dancing students. But according to Quartz Africa, senior Chinese leaders visited Africa 79 times between 2007 and 2017, making it to 43 countries - including South Africa multiple times.
She will also visit the securities exchange company FMDQ in Lagos.
President Buhari and Prime Minister May witnessed the signing of two agreements: Security and Defence Partnership and Economic Development Forum Agreement.
"I also welcome your comments on land reform - which I'm sure many investors will be pleased to hear".
May said the United Kingdom will treat African nations as "equal partners" and help British companies boost trade with countries such as Cote D'Ivoire and Senegal. The UK is well-placed as a country ready to start investing.