Sainik School, Lucknow was established in July 1960. One of the best boarding school in India. The only one of the sainik schools to be administered by the state government, the alumni of which, Captain Manoj Pandey, posthumously received Param Vir Chakra .  It was the first Sainik School in the country, and was followed by the setting up of other Sainik Schools, under the Ministry of Defence, Government of India, on the same lines. The education in this school is subsidised by the Government of Uttar Pradesh. It is a co-ed(for both boys and girls) residential English medium school affiliated to CBSE Board.
The school’s mission is to seek representation of Uttar Pradesh in the officer cadre of the Defence services through the National Defence Academy and Indian Naval Academy. Therefore, the school imparts military-oriented training to its cadets.
Sainik School is a residential English medium school. The school is a member of Indian Public Schools conference and is included in the Government of India list of meritorious scholars.
The Sainik School is 15 km from Lucknow city. The Lucknow airport is 3 km away and the nearest railhead is Char Bagh, which is 13 km from the school.
The school prepares boys for the science stream of the Central Board of Secondary Education Examination (CBSE) for Class 10 and 12, New Delhi. The school provides education to boys from Class 7 to 12.
The school is run by the Uttar Pradesh Sainik Schools Society, which is registered under the Indian Societies Registration Act (1860). It is the only Sainik school which is completely financed and managed by the State Government.
As a boarding school, the school provides accommodation to its staff in the school campus. Government of India Scheme of Scholarships in approved residential Secondary Schools is operational in the School.
The school spreads over 280 acres (1.1 km2). It has extensive playgrounds and its own stadium Major salman Ahmad khan shaurya chakra Stadium. The school has facilities for games like hockey, cricket, football, basketball, volleyball, badminton, boxing, table tennis, horse riding and swimming. The cadets go through rigorous physical training throughout their stay. The school follows a timetable for compulsory games and physical training.
Its academic facilities include science laboratories for physics, chemistry and biology; separate music and art rooms; and a library. There are 6 hostels for the cadets. The school has six houses named after personalities, Panth, Shashtri, Nehru, S.N, Kidwai and Tandon. The school has a cadet’s mess and a sick bay, the latter overseen by a Resident Medical Officer.
Every year the school organises National Level Debate Competition in the memory of Capt. Sunil Chandra of 8 MAHAR Regiment and alumni of UPSS, who was posthumously awarded Vir Chakra for the courage and valour he showed during the Peace Keeping Operation in Sri Lanka. The Debate Competition is organised to commemorate Capt. Sunil Chandra who himself was a debater during his college days.
Admission is on the basis of a competitive examination and interview, which is followed by a medical examination by a Military Medical Board at the Command hospital, Lucknow.
Boys having UP’s domicile certificate between the age of 101⁄2 and 12 years as on 2 July, of the year of admission are eligible to apply. The boy must have passed class 6 from a recognised school. The child is admitted according to the final placement in the merit list and the number of vacancies available in the school.
The academic year of the School has been divided into:
As of 2018, the school began admitting girls to its programs.
Alumni who have won a Gallantry award