The 2015 Championship 1, known as the Kingstone Press League 1 for sponsorship reasons, was a semi-professional rugby league football competition played in England, the third tier of the sport in the country.

After the 22 regular season games, the top two sides will face each other and the winner will be automatically be promoted to the Kingstone Press Championship as champions, while the loser and the teams finishing 3rd, 4th and 5th will contest the play-offs and the winner will also be promoted.

The competition features the eight teams that did not win promotion in 2014: Gloucestershire All Golds, Hemel Stags, London Skolars, Newcastle Thunder, Oldham R.L.F.C., Oxford RLFC, South Wales Scorpions and York City Knights.

It will also feature five teams relegated from the RFL Championship: Barrow Raiders, Keighley Cougars, North Wales Crusaders, Rochdale Hornets and Swinton Lions.

This table is correct as of 14 September 2015 (season complete).