Old Kingstonians Football Club (est. 2018) secured the first trophy in club history this year, winning the Arthurian League Division 5 title to seal promotion to Div 4. It was a record-breaking season for the OKs: they scored 82 goals in all competitions, 63 of which came in their 16 league games (the highest total across the entire Arthurian League pyramid), went a record 15 consecutive games unbeaten, scored four or more goals eleven times, and only lost one league game all season.

The side was captained by Tom Brown (Class of 2011), who took over the captaincy from Founding Father (and new father) Ali Mannering (2010), who made his 100th appearance for the club. New signing James Gawn (2016) won Player's Player of the Year, having scored 14 goals and delivered 9 assists from midfield, and the side was further bolstered by fresh blood from more recent graduating classes, including the Style brothers Alfie (2018) and Julian (2016), and George Casci and Jacob Docking (2018). Jack Moran (2011) top-scored with 15 goals in all competitions, securing a second divisional Golden Boot in the process. Tom Brown's 11 assists from right-back (also a club record) and Jonny Cardy (2011)'s composure and distribution from CDM were also pivotal to the side's success, while Ross Bendall (2010) broke the club record for clean sheets.

As the OKs begin planning for an assault on the Division 4 title, they welcome interest from any OKs alumni in representing the club. Home matches are played at Thames Ditton on Saturday afternoons, with other fixtures played across London on Saturdays. In addition to the league, the club competes in three cup competitions and plays an annual friendly against the current school 1st XI.