Resumen Objetivo: Determinar la prevalencia de parasitos intestinales e identificar los factores de riesgo en escolares del colegio Chicamocha seccion Kennedy I del municipio de Tuta Boyaca. Metodos: Se realizo un estudio de corte transversal con fase correlativa, en 50 escolares de 7 a 12 anos de edad. Se evaluo la presencia de parasitos intestinales a partir de un examen coprologico directo y factores de riesgo mediante una encuesta estructurada, donde se incluian aspectos generales, de la vivienda, socioeconomicos, biologicos, de comportamiento y ambientales. El procesamiento y analisis estadistico se realizo con el programa SPSS version 19. Resultados: La prevalencia de parasitos fue del 96% IC 95% (90%-101%). Los parasitos mas frecuentes fueron Blastocystis spp. (88%); G. intestinalis (34%); Entamoeba coli (56%): y el complejo Entamoeba histolytica/dispar (24%). El poliparasitismo fue muy importante (84%), encontrandose hasta un maximo de 4 especies por hospedador. El 54% son ninas, de predomino rural. Se encontro asociacion estadisticamente significativa entre el parasitismo y la disposicion de excretas (X2=11,492; p=0,003) y al no lavado de manos antes de comer (X2= 4,0044; p=0,044). Conclusiones: Este estudio muestra una alta prevalencia de parasitos intestinales, especialmente de Blastocystis spp . Abstract Objective : To determine the prevalence of intestinal parasites and identify the risk factors in school children from school Chicamocha Kennedy I section in the municipality of Tuta Boyaca. Methods : A cross-sectional study with correlative phase was made with 50 schoolchildren from ages 7 to 12. The presence of intestinal parasites was tested from a direct stool examination, and risk factors were evaluated through a structured survey which included general, housing, socio-economic, biological, behavioral and environmental aspects. The processing and statistical analysis was carried out with the program SPSS 19 version. Results : The prevalence of parasites was 96% CI 95% (90%-101%). The most common parasites were Blastocystis spp. (88%); G. intestinalis (34%); Entamoeba coli (56%); and the complex Entamoeba histolytica/dispar (24%). The polyparasitism was very important (84%), finding up to a maximum of 4 species per host. 54% are girls of rural dominance. Statistically significant association between parasitism and the excreta disposal was found (X 2 = 11, 492; p = 0, 003), and the lack of washing hands before eating (X 2 = 4, 0044; p = 0, 044). Conclusions: This study shows a high prevalence of intestinal parasites, especially of Blastocystis spp.