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1980–81 Isthmian League

Isthmian League
Premier Division
Season 1980–81
Champions Slough Town
Relegated None
Matches played 462
Goals scored 1,326 (2.87 per match)
Isthmian League
First Division
Season 1980–81
Champions Bishop's Stortford
Promoted Bishop's Stortford
Billericay Town
Relegated Camberley Town
Finchley
Matches played 462
Goals scored 1,311 (2.84 per match)
Isthmian League
Second Division
Season 1980–81
Champions Feltham
Promoted Feltham
Hornchurch
Matches played 380
Goals scored 1,042 (2.74 per match)

The 1980–81 season was the 66th season of the Isthmian League, an English football competition.

Slough Town were champions, winning their first Isthmian League title. Though, there was no promotion from the Isthmian League to the Alliance Premier League till 1985, at the end of the season two Premier Division clubs - Dagenham and Enfield were accepted to the APL.

The Premier Division consisted of 22 clubs, including 20 clubs from the previous season and two new clubs, promoted from the First Division:

There was no relegation from the division this season after Dagenham and Enfield joined the Alliance Premier League.

Source:
* Thurrock were deducted two points.
Woking were deducted three points.
Rules for classification: 1) points; 2) goal difference; 3) number of goals scored
(C) = Champion; (R) = Relegated; (P) = Promoted; (E) = Eliminated; (O) = Play-off winner; (A) = Advances to a further round.
Only applicable when the season is not finished:
(Q) = Qualified to the phase of tournament indicated; (TQ) = Qualified to tournament, but not yet to the particular phase indicated; (RQ) = Qualified to the relegation tournament indicated; (DQ) = Disqualified from tournament.

First Division consisted of 22 clubs, including 18 clubs from the previous season and four new clubs:

Two clubs relegated from the Premier Division:

Two clubs promoted from the Second Division:

Source:
Rules for classification: 1) points; 2) goal difference; 3) number of goals scored
(C) = Champion; (R) = Relegated; (P) = Promoted; (E) = Eliminated; (O) = Play-off winner; (A) = Advances to a further round.
Only applicable when the season is not finished:
(Q) = Qualified to the phase of tournament indicated; (TQ) = Qualified to tournament, but not yet to the particular phase indicated; (RQ) = Qualified to the relegation tournament indicated; (DQ) = Disqualified from tournament.

Second Division consisted of 20 clubs, including 17 clubs from the previous season and three new teams:

Source:
Rules for classification: 1) points; 2) goal difference; 3) number of goals scored
(C) = Champion; (R) = Relegated; (P) = Promoted; (E) = Eliminated; (O) = Play-off winner; (A) = Advances to a further round.
Only applicable when the season is not finished:
(Q) = Qualified to the phase of tournament indicated; (TQ) = Qualified to tournament, but not yet to the particular phase indicated; (RQ) = Qualified to the relegation tournament indicated; (DQ) = Disqualified from tournament.


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