Founded in 1873, it currently competes in the Durham/Northumberland 1 division, the seventh tier of the English rugby union league system, following their relegation from Regional 2 North in 2024.

[3] The introduction of professionalism into the game resulted in the club having a major downfall, though have recently recovered, and are currently respected for their constant pushes for promotion.

[5] During the late 1980s, Stockton were well known for having a fantastic young team; during this time, they gained three promotions within four seasons to the division now known as the North Premier.

[6] When that league was named North Division 1, Stockton finished as runners-up in the 1994–95 season, failing to win promotion.

[6] Following the introduction of professionalism to rugby union, Stockton suffered hugely: the club maintained amateur status whilst other clubs began to pay their players in bids to rise to the top (Stockton did not pursue this simply because they did not have the money to do so), this in turn led to many key players departing for brighter things.

[3][6] Following their devastating relegation, Stockton's youth system went on hiatus as a result of many volunteers concluding their free services.

[3] The 2010s have been more exciting and promising times for Stockton: their league finishing positions have always been reasonable though it was there major ground move that was most notable.

[2] They moved to The Grangefield Ground, in a partnership with nearby Stockton Cricket Club and The Grangefield Academy school: the playing pitches and indoor changing room facility (which includes a state-of-the-art sports hall) are situated behind the school whereas the clubhouse and two junior rugby pitches are situated across the road at the cricket club.

[7] In April 2020, Stockton appointed Scott Powell, Mark Skirving and Robert Green as the coaching staff ahead of the 2020–21 season.