Shri Harkrishan Sahib Public Sr. Sec. School was established in 1986 at Janta Nagar, Ludhiana in a very small building as an English Medium Co-Educational school laying special emphasis on English, since its inception. The school has established a unique reputation and has become one of the leading educational institution in the adjoining locality and other areas. The school at Daba Road, Daba Colony, Ludhiana started functioning in April 1992. Senior Secondary classes upto 10+2 Science (Non-Medical and Medical), Commerce & Arts Group are being run. At Gill Market, New Janta Nagar, Ludhiana the school has started functioning since April 2004 upto 10th Std.

The school has a strength of 4100 students, who are being looked by a team of around 230 efficient and well educated teachers, administrative staff and 34 peons including gardener, Sweeper and gate keeper.