This book is based on the role of nutrition as a factor in children's learning in the primary school children in Bangladesh. There are two major factors involved in learning achievement, one is school factor and another is home factor. Nutrition is one of the home variables which is very critical to school achievement. This books describes the detail relation between nutritional status and educational achievement in primary level students. Primary school is one of the most important area of research in Bangladesh where more than two millions of children are school going and majority of them are suffering with malnutrition and thus, really hamper their school achievement both quantitative as well as qualitative ways. However, primary school is the best place to disseminate nutritional knowledge to the students as well as the whole society.