Sainik School Purulia is a residential English Medium Public School for boys imparting Public School Education with a Military bias in the state of West Bengal. It is one of the 20 Sainik Schools in the country established under the aegis of the Ministry of Defence for the benefit of the comparatively weaker sections of the society and for the removal of regional imbalances in the officers caders of Defence services of India. SAINIK SCHOOL PURULIA, established in January 1962, primarily caters to the domiciles of West Bengal (67%) and then those of other states(33%).

School Crest, the Banyan tree, inspires learning, wisdom and enlightment. It also depicts a sense of permanence and durability, its trunk shows links of industry. The leaves signify evergreen youthfulness. The full bloomed lotus magnifies the flourish of intellect and culture. The hill stands for firmness whereas the flowing water signifies dynamism. The inscriptions stress on 'Discipline & Knowledge'.

AIM of the school is to prepare the boys academically, physically and mentally for entry into the National Defence Academy and coveted walks of life. Character, team spirit, dedication to purpose, a patriotic outlook, courage of conviction, dignity of labour, high sense of discipline, loyalty, integrity, initiative, spirit-de-corps and a desire to serve the country with zeal and efficiency are the qualities ought to be promoted by training in the Sainik School.