Background: Globally, approximately 1.5 billion people are infected with soil transmitted helminthes and more than half a billion children live in high transmission areas and are in dire need of treatment and control interventions In Kenya, about 15 million people are infected. Objective: To evaluate the level of knowledge, attitude and practice of soil transmitted helminthiasis among school children. Design: A descriptive cross-sectional study. Setting: Ziwani Learning Centre based in Usoma village adjacent to Kisumu International Airport, Kisumu County and also borders Lake Victoria. Subjects/Participants: The study population consisted of pupils from Ziwani Learning Centre aged 4- 15 years old. Results: The study participants reported relatively poor knowledge, attitude and practice on soil transmitted helminths, at 32%, 39% and 32% respectively. 37 pupils (41%) had never heard about intestinal worms.