Background: Intestinal parasitic infestations are one of the neglected tropical diseases and it is most common among school children. It negatively affects children growth, cognitive development and learning abilities. It may lead to nutritional deficiencies and anemia. The present study aims to identify the effect of parasitic infestations on growth among primary school children. Descriptive comparative design was conducted on a sample of 200 children (100 infected study group, and 100 not infected) at Hehia primary schools. Two tools were used; Questionnaire interview sheet and Growth Chart. The study results revealed that118.46 ± 10.49 was the mean of height of not infected group. Also, 31% of not infected group were in underweight level; It can be concluded that there was a statistically significant difference between both not infected and infected group concerning to weight and body mass index. Also, there was a statistically significant difference between both group concerning to body mass index levels therefore the study recommended that health education and environmental sanitation improvement are recommended as preventive control measures.