You can add leagues, big or small, to Sports Club Stats.
   It's free.
   It's easy.
   Just email import@sportsclubstats.com the:
      structure
      schedule
      and rules
   In a few minutes you'll get back a link to the league.
   Play around, have fun, you won't break anything.
   I look forward to seeing what you create.

Info about the various settings:
   https://docs.google.com/document/d/1-UneDNk6tkOrc_B-WBnGnc5KGiy2kttXC2fW8dR7QzM/edit?hl=en

For example, here is what created this league:

LeagueBegin
  League:       Suffolk Varsity Football             (SVF)             (ID: 1a1ts) (Sort: Lottery)
    Conference: Division IV                                            (ID: d14nk) (Sort: Conf) (Playoffs: 2)
      Team:     Babylon Panthers                     (Babylon)         (ID: t1smr)
      Team:     Bayport-Blue Point Phantoms          (BBP)             (ID: t1sms)
      Team:     Center Moriches Red Devils           (Center Moriches) (ID: t1smt)
      Team:     Glenn Knights                        (Glenn)           (ID: t1smu)
      Team:     Greenport-Southold-Mattituck Porters (GSM)             (ID: t1smv)
      Team:     Hampton Bays Baymen                  (Hampton Bays)    (ID: t1smw)
      Team:     Mt. Sinai Mustangs                   (Mt. Sinai)       (ID: t1smz)
      Team:     Port Jefferson Royals                (Port Jefferson)  (ID: t1sn0)
      Team:     Southampton Mariners                 (Southampton)     (ID: t1sn1)
      Team:     Shoreham-Wading River Wildcats       (SWR)             (ID: t1sn2)
      Team:     Wyandanch Warriors                   (Wyandanch)       (ID: t1sn3)
  Kind: rec
  Sport: football
  Gender: male
  Country: USA
  State: 
  Level: A
  Season: 2019 (current: True)
  Author: Luke Millner
  Note: 
  LotteryNote: 
LeagueEnd

SortBegin
Conf:
Points,
IfSomeTiesBrokenReturnHereIf2,
Average Points HeadToHead,
Average Points CommonOpponent,
Average Opponent Points Won,
Average Opponent Points,
DrawLots
Lottery: 
MoveClinchedToFrontBySeed, 
Points, 
Average Points HeadToHead, 
GoalsDelta,
 DrawLots
SortEnd

RulesBegin
  PointsForWinInRegulation:  1
  PointsForWinInOvertime:  1
  PointsForWinInShootout:  1
  PointsForLossInRegulation:  0
  PointsForLossInOvertime:  0
  PointsForLossInShootout:  0
  PointsForTie:  0.5
  PercentOfGamesThatEndInTie:  0
  PercentOfGamesThatEndInOvertimeWin:  0
  PercentOfGamesThatEndInShootoutWin:  0
  HomeFieldAdvantage:  0.56
  WeightType:  Pythagenpat
  WeightExponent:  0.27
  WhatDoYouCallATie:  tie
  WhatDoYouCallLottery:  lottery
  WhatDoYouCallPromoted:  promoted
  Promote:  0
  PromotePlus:  0
  PromotePlusPercent:  0
  WhatDoYouCallDemoted:  relegated
  Demote:  0
  DemotePlus:  0
  DemotePlusPercent:  0
RulesEnd

GamesBegin
TeamListedFirst: home
9/7/19     Babylon              Mt. Sinai         (ID: g1za5u)
9/7/19     Glenn                Center Moriches   (ID: g1za5v)
9/7/19     GSM                  Southampton       (ID: g1za5w)
9/7/19     Hampton Bays         Port Jefferson    (ID: g1za5x)
9/7/19     SWR                  BBP               (ID: g1za5y)
9/14/19    Babylon              Hampton Bays      (ID: g1za5z)
9/14/19    Center Moriches      BBP               (ID: g1za60)
9/14/19    GSM                  Wyandanch         (ID: g1za61)
9/14/19    Mt. Sinai            Glenn             (ID: g1za62)
9/14/19    Port Jefferson       SWR               (ID: g1za63)
9/21/19    BBP                  GSM               (ID: g1za64)
9/21/19    Hampton Bays         Center Moriches   (ID: g1za65)
9/21/19    Port Jefferson       Babylon           (ID: g1za66)
9/21/19    Southampton          SWR               (ID: g1za67)
9/21/19    Wyandanch            Mt. Sinai         (ID: g1za68)
9/28/19    BBP                  Hampton Bays      (ID: g1za69)
9/28/19    Center Moriches      Babylon           (ID: g1za6a)
9/28/19    Mt. Sinai            Port Jefferson    (ID: g1za6b)
9/28/19    SWR                  Glenn             (ID: g1za6c)
9/28/19    Wyandanch            Southampton       (ID: g1za6d)
10/5/19    BBP                  Glenn             (ID: g1za6e)
10/5/19    Hampton Bays         Southampton       (ID: g1za6f)
10/5/19    Port Jefferson       GSM               (ID: g1za6g)
10/5/19    Wyandanch            Center Moriches   (ID: g1za6h)
10/12/19   Babylon              GSM               (ID: g1za6i)
10/12/19   Glenn                Port Jefferson    (ID: g1za6j)
10/12/19   Hampton Bays         Wyandanch         (ID: g1za6k)
10/12/19   Southampton          Center Moriches   (ID: g1za6m)
10/12/19   SWR                  Mt. Sinai         (ID: g1za6n)
10/19/19   BBP                  Port Jefferson    (ID: g1za6p)
10/19/19   Glenn                Babylon           (ID: g1za6q)
10/19/19   GSM                  Hampton Bays      (ID: g1za6r)
10/19/19   Southampton          Mt. Sinai         (ID: g1za6s)
10/19/19   SWR                  Wyandanch         (ID: g1za6t)
10/26/19   Center Moriches      SWR               (ID: g1za6u)
10/26/19   GSM                  Glenn             (ID: g1za6v)
10/26/19   Mt. Sinai            Hampton Bays      (ID: g1za6w)
10/26/19   Southampton          BBP               (ID: g1za6x)
10/26/19   Wyandanch            Babylon           (ID: g1za6y)
11/2/19    Babylon              SWR               (ID: g1za6z)
11/2/19    Center Moriches      GSM               (ID: g1za70)
11/2/19    Glenn                Wyandanch         (ID: g1za71)
11/2/19    Mt. Sinai            BBP               (ID: g1za72)
11/2/19    Port Jefferson       Southampton       (ID: g1za73)
GamesEnd