Sainik School, Amaravathi Nagar, was started in 1962 as part of the Sainik School society. It was called Sainik School, Madras (SSM) until 1975. Sainik School, Amaravathinagar, was formed with the objective of training cadets to join the National Defence Academy - NDA (NDA provides combined training for the cadets entering into all the three forces in India).Indian naval academy (INA) which provides training for the naval cadets entering into indian navy
Students are selected through an entrance examination (All India sainik school entrance exam-AISSEE) for the entry into 6th and 9th standard and the selected candidates are given public school education. The cadets with leadership skills are trained to become officers in the Army, Navy and AirForce. Only Indian citizens are eligible for entry into the school.
The school campus occupies 240 acres in the Indira Gandhi National Park's valley. Surrounded by mountains on all sides the campus is seen against the backdrop of the Amaravathi Dam