Having been brought up in the slum in a polygamous family, her prospects for an education were bleak. With two wives and 15 children, her father could not afford to pay school fees for all the children.

"Having grown up in Mathare slum, I have witnessed a number of my peers drop out of school for various reasons including lack of fees or teenage pregnancies," Sarah said. "The boys who grow up in this area are also prone to gang activities because of the prevalence of violence in the slums, which is why MCEDO Beijing School is a blessing for the younger generation in this area."