The competition was played by the 16 teams form the Premier Division One initially organised into four groups.
At the end of the season Deal Town R and Herne Bay R were relegated to Division Two.
The division featured eleven clubs, nine of which competed in the previous season together with two additional clubs: At the end of the season Folkestone Invicta R and Sevenoaks Town R were promoted to Division One and Slade Green R left the League.
The 2005–06 Kent Football League Reserves Cup was won by Dartford R. The competition was contested by all 23 teams of the Reserves Section over a total of five rounds: the first three were single match knock-out rounds, followed by the semi-finals on an aggregate basis (home and away matches) and then the final match played on a neutral ground (at Folkestone Invicta F.C.
this season) Byes for the remaining nine teams Source: Kent League (archived) & Kentish Football