Background: High prevalence of low birth weight, high morbidity and mortality in children and poor maternal nutrition of the mother continue to be major nutritional concerns in India. Although nationwide intervention programmes are in operation over two decades, the situation has not changed much. The 11-18 years old children if they have to reach adulthood in a healthy state it becomes necessary to provide services with political commitment so their nutritional status is improved Objective: To assess the nutritional status of the adolescent school children of Sri Vidya Mandir Matriculation and Higher Secondary School near Attaiyampatti in Salem district of Tamilnadu, by comparing it with two types of standards followed in India. Materials and methods: It is a cross sectional study, with a total of 957 students (617 boys and 340 girls)aged between 11-18 years studying in the Sri Vidya Mandir Matriculation and Higher Secondary School. Results : Anthropometric measurements from the participating children were collected. The height and weight of the children were compared with ICMR guidelines. Among the 617 boys, 70 boys (11%) satisfied the ICMR guideline values and 62 boys (9%) were overweight compared to the ICMR guidelines. Remaining 485 boys (80%) were below the ICMR guidelines. Similarly out of the 340 girls, 51 (15%) satisfied the ICMR guideline, 56 (16%) girls were overweight and 233 girls (69%) were below ICMR guidelines. Regarding height 30% of the boys and 39% of the girls satisfied the ICMR guideline values.