 It runs classes from standard 1 to 12 and Prep as well as Pre-Prep.The school has excellent infrastructure in terms of classrooms, laboratories, library, playgrounds, sports and recreation.The Atomic Energy Central School, Kalpakkam – 603 102 (Tamilnadu), is a unit of the Atomic Energy Education Society (AEES), Mumbai, an autonomous body of the Department of Atomic Energy, government of India, which educates to Senior Secondary level the wards of the workforce in the Department of Atomic Energy across the country (www.aees.gov.in).