Objectives: To determine the nutritional status of nine to twelve year old school going children, to obtain a greater insight into the relationship between weight status and biochemical parameters and to investigate the association of SES with anthropometric parameters, nutritional indicators and CVD risk factors in children. Methods: 63 subjects were selected from two urban schools in Cochin city by convenience sampling. Interview schedule was used to elicit background information and 24 hour dietary recall questionnaire was used to assess the dietary intake pattern. Anthropometric parameters, biochemical profile and nutrient intake pattern were studied. Subjects were classified by their weight status and socioeconomic status. Results: Height and weight of the subjects were observed to be at par with the NCHS standards. The prevalence of underweight and overweight was observed to be 14 percent among the study population with a higher prevalence of overweight among girls at 21 percent compared to boys at 10.3 percent. All anthropometric parameters steadily increased with increase in BMI percentiles in the subjects. Blood pressure gradually escalated from underweight to overweight subjects, the increase being more evident for systolic blood pressure (increase of 20mm Hg) compared to diastolic blood pressure( 12mm Hg). Caloric intake was highest in the overweight subjects. Serum insulin, triglyceride and CRP levels also increased with increase in weight among the subjects. In overweight subjects the CRP level is seen to be 2.98 mg/L, which is associated with an increased risk of cardiovascular disease. Nutrient intake pattern of subjects by weight status showed a progressive increase in energy intake from underweight to normal and overweight subjects, but no difference in CHO, protein and fat intake. SFA and MUFA intake was observed to be high and PUFA intake low among underweight subjects. On analyzing subjects by SES, upper class subjects showed higher anthropometric measures than lower SES subjects. Blood pressure increased with SES, CRP showed decreasing trend. HDL levels were high in lower SES category, rest of the parameters were higher in upper class subjects. The energy, carbohydrate and fat intake increased progressively from low to high SES. Conclusion: Anthropometric parameters, biochemical measurements and nutrient intake pattern increased with increase in weight and improvement in SES.