Valerie Sukura, Juliet Mbayaji, Evelyn Savantia and Dennis Baraza are all 13 years old. They are currently in standard 8 at St Michael’s Children’s Education Centre in Mathare. They remember that before Urban CLTS was introduced in the area, they had to defecate openly in the school compound, inches away from their classrooms or even down by the river. They also admit that plenty times they would go to the toilet and run straight to eat without washing their hands. However, urban CLTS triggering sessions transformed their understanding of sanitation and hygiene and has turned them into eager advocates in their homes and communities.