Introduction: Iodine is an essential micronutrient required in small amounts on a daily basis for the body to function normally. IDD (Iodine Deficiency Disorders) is a worldwide major public health problem and present on all continents. Objectives: The primary objectives of this study was to determine the prevalence of goitre among the children of age group 6-12 years of Rajnagar block of Madhubani, to check the salt consumption patterns of the respondents. Methodology: The sampling strategy used for this study was the two staged cluster sampling using PPS (Probability Proportionate to Size) method. Children were classified into Grade 0, Grade 1, or Grade 2. The data collected was entered in SPSS and analyzed using appropriate statistical techniques. Results: On physical examination, 9% school children, were found to have goitre. The prevalence of Goitre was higher when the family practiced storing the salt in an open container/packet (10.5%) as compared to storage in closed container (8.4%). Conclusion: This area in the zone of mild public health problem. Since, almost all respondents claimed to be using iodized salt, this figure is worrisome. Focus must be given towards imparting education to the public regarding the faulty practices of salt storage and adding salt during cooking through mass media.