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: MHSAA 1A-4   (MS14) (ID: 1a11m) (Sort: Div) (Playoffs: 4)
    Team: Bogue Chitto        (ID: t1iny)
    Team: Lumberton           (ID: t1inz)
    Team: Mount Olive         (ID: t1ip0)
    Team: Resurrection        (ID: t1ip1)
    Team: Sacred Heart        (ID: t1ip2)
    Team: Salem               (ID: t1ip3)
    Team: Stringer            (ID: t1ip4)
  Kind: high school
  Sport: football
  Gender: male
  Country: USA
  State: MS
  Level: 1A
  Season: 2015 (current: True)
  Author: PMC
  Note: None.
  LotteryNote: 
LeagueEnd

SortBegin
Div: Wins, IfSomeTiesBrokenReturnHere, Wins HeadToHead, Wins
SameParent,Wins CommonOpponent, 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:  Pythagorean
  WeightExponent:  2.37
  WhatDoYouCallATie:  tie
  WhatDoYouCallLottery:  lottery
  WhatDoYouCallPromoted:  promoted
  Promote:  0
  PromotePlus:  0
  PromotePlusPercent:  0
  WhatDoYouCallDemoted:  relegated
  Demote:  0
  DemotePlus:  0
  DemotePlusPercent:  0
RulesEnd

GamesBegin
TeamListedFirst: home
9/11/15    Mount Olive    6-20    Sacred Heart   (ID: g1n311)
9/11/15    Stringer       21-12   Salem          (ID: g1n312)
9/18/15    Bogue Chitto   14-43   Stringer       (ID: g1n313)
9/18/15    Mount Olive    0-47    Resurrection   (ID: g1n314)
9/25/15    Sacred Heart   15-48   Lumberton      (ID: g1n315)
9/25/15    Salem          49-0    Bogue Chitto   (ID: g1n316)
10/2/15    Bogue Chitto           Mount Olive    (ID: g1n317)
10/2/15    Lumberton              Salem          (ID: g1n318)
10/2/15    Sacred Heart           Stringer       (ID: g1n319)
10/9/15    Salem                  Sacred Heart   (ID: g1n31a)
10/9/15    Stringer               Resurrection   (ID: g1n31b)
10/16/15   Bogue Chitto           Lumberton      (ID: g1n31c)
10/16/15   Mount Olive            Stringer       (ID: g1n31d)
10/16/15   Sacred Heart           Resurrection   (ID: g1n31e)
10/23/15   Mount Olive            Lumberton      (ID: g1n31f)
10/23/15   Resurrection           Bogue Chitto   (ID: g1n31g)
10/30/15   Lumberton              Resurrection   (ID: g1n31h)
10/30/15   Sacred Heart           Bogue Chitto   (ID: g1n31i)
10/30/15   Salem                  Mount Olive    (ID: g1n31j)
11/6/15    Lumberton              Stringer       (ID: g1n31k)
11/6/15    Resurrection           Salem          (ID: g1n31m)
GamesEnd