The occurrence of enteric parasites (geohelminths – GH) in developing countries is high. Studies on prevalence or incidence of GH are one of the possibilities to focus the attention of the health care politics to this particular problem. The aim of this study was to assess the prevalence of GH in a rural areas of Rwanda, Burundi, and South Sudan, all countries after huge social changes, eg. civil war or genocide within last 30 years. Low school performance is a result of chronic anemia related to GH.