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:     Football Region 4             (ID: 1ah6) (Sort: Lottery) (Playoffs: 4)
    Division: Region 4                      (ID: d11z) (Sort: Div) (Playoffs: 4)
      Team:   American Fork Cavemen  (AF)   (ID: t17n)
      Team:   Herriman Mustangs      (Her)  (ID: t186)
      Team:   Lehi Pioneers          (Lehi) (ID: t17y)
      Team:   Lone Peak Knights      (LP)   (ID: t17q)
      Team:   Pleasant Grove Vikings (PG)   (ID: t1656)
      Team:   Riverton Silverwolves  (Riv)  (ID: t17p)
      Team:   Westlake Thunder       (West) (ID: t17j)
  Kind: high school
  Sport: football
  Gender: male
  Country: USA
  State: Utah
  Level: A
  Season: 2013-2014 (current: True)
  Author: RSW sports .
  Note: 
  LotteryNote: 
LeagueEnd

SortBegin
Div:

IfSomeTiesBrokenReturnHere,

Average Points,

Average Points HeadToHead,

If [(All=SameParent) Average Points SameParent],

Average Points SameGrandParent,

Average Points PlayoffEligible SameGrandParent,

If [(Size=2) Average Points PlayoffEligible DifferentGrandParent],

GoalsDelta,

DrawLots


Conf:

(Side) MoveClinchedToFront,

Seed [(4-End) Call Div][(1-4) Call Top4]


Top4:

IfSomeTiesBrokenReturnHere,

Average Points,

Least PositionInParent,

Average Points HeadToHead,

If [(All=SameParent) Average Points SameParent],

Average Points SameGrandParent,

Average Points PlayoffEligible SameGrandParent,

If [(Size=2) Average Points PlayoffEligible DifferentGrandParent],

GoalsDelta,

DrawLots


Lottery:

MoveClinchedToFrontBySeed,

Average Points,

Average Points HeadToHead,

If [(All=SameParent) Average Points SameParent],

Average Points SameGrandParent,

GoalsDelta,

DrawLots
SortEnd

RulesBegin
  PointsForWinInRegulation:  1
  PointsForWinInOvertime:  1
  PointsForWinInShootout:  0
  PointsForLossInRegulation:  0
  PointsForLossInOvertime:  0
  PointsForLossInShootout:  0
  PointsForTie:  0
  PercentOfGamesThatEndInTie:  0
  PercentOfGamesThatEndInOvertimeWin:  0
  PercentOfGamesThatEndInShootoutWin:  0
  HomeFieldAdvantage:  0.55
  WeightType:  Pythagorean
  WeightExponent:  14
  WhatDoYouCallATie:  tie
  WhatDoYouCallLottery:  lottery
  WhatDoYouCallPromoted:  Region Champs
  Promote:  1
  PromotePlus:  0
  PromotePlusPercent:  0
  WhatDoYouCallDemoted:  relegated
  Demote:  0
  DemotePlus:  0
  DemotePlusPercent:  0
RulesEnd

GamesBegin
TeamListedFirst: home
9/13/13    AF     28-25   Riv    (ID: g1b3mf)
9/13/13    LP     21-29   Her    (ID: g1b3mg)
9/13/13    West   24-37   Lehi   (ID: g1b3mh)
9/20/13    Lehi   34-37   PG     (ID: g1b3mi)
9/20/13    Riv    31-14   LP     (ID: g1b3mj)
9/20/13    West   0-42    AF     (ID: g1b3mk)
9/27/13    Her    47-14   West   (ID: g1b3mm)
9/27/13    LP     21-14   AF     (ID: g1b3mn)
9/27/13    PG     7-38    Riv    (ID: g1b3mp)
10/4/13    AF     38-36   Her    (ID: g1b3mq)
10/4/13    LP     27-17   PG     (ID: g1b3mr)
10/4/13    Riv    71-50   Lehi   (ID: g1b3ms)
10/9/13    AF     21-31   Lehi   (ID: g1b3mt)
10/9/13    PG     17-0    West   (ID: g1b3mu)
10/10/13   Her    20-17   Riv    (ID: g1b3mv)
10/16/13   Lehi   17-42   Her    (ID: g1b3mw)
10/18/13   PG     26-23   AF     (ID: g1b3mx)
10/18/13   West   15-34   LP     (ID: g1b3my)
10/24/13   Her    41-42   PG     (ID: g1b3mz)
10/24/13   Riv    48-6    West   (ID: g1b3n0)
10/25/13   Lehi   28-41   LP     (ID: g1b3n1)
GamesEnd