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:       Utah High School Basketball (Utah High Schoo) (ID: 1amn) (Sort: Lottery)
    Conference: 5A                                            (ID: d11y) (Sort: Conf) (Playoffs: 4)
      Division: Region 4                                      (ID: d11z) (Sort: Div) (Playoffs: 4)
        Team:   American Fork Cavemen       (AF)              (ID: t17n)
        Team:   Herriman Mustangs           (Her)             (ID: t17j)
        Team:   Lehi Pioneers               (Lehi)            (ID: t186)
        Team:   Lone Peak Knights           (LP)              (ID: t17y)
        Team:   Pleasant Grove Vikings      (PG)              (ID: t1656)
        Team:   Riverton Silverwolves       (Riv)             (ID: t17p)
        Team:   Westlake Thunder            (West)            (ID: t17q)
  Kind: high school
  Sport: basketball
  Gender: male
  Country: USA
  State: UT
  Level: 5A
  Season: 2014 (current: True)
  Author: Riverton
  Note: 
  LotteryNote: 
LeagueEnd

SortBegin
Div:
IfSomeTiesBrokenReturnHere,
Average Points,
 DrawLots

Conf:
(Side) MoveClinchedToFront,
Seed [(4-End) Call Div][(1-4) Call Top4]

Top4:
IfSomeTiesBrokenReturnHere,
Average Points,

   DrawLots

Lottery:
MoveClinchedToFrontBySeed,
Average Points,
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:  0.5
  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
1/10/14   Her    56-67        Riv    (ID: g1cxav)
1/10/14   Lehi   67-81        PG     (ID: g1cxaw)
1/10/14   LP     90-63        West   (ID: g1cxax)
1/14/14   LP     68-59        AF     (ID: g1cxay)
1/14/14   Riv    67-47        Lehi   (ID: g1cxaz)
1/14/14   West   51-49        Her    (ID: g1cxb0)
1/17/14   Her    49-66        AF     (ID: g1cxb1)
1/17/14   Lehi   79-66        West   (ID: g1cxb2)
1/17/14   PG     72-50        Riv    (ID: g1cxb3)
1/21/14   AF     51-40        Riv    (ID: g1cxb4)
1/21/14   Lehi   75-86        Her    (ID: g1cxb5)
1/21/14   LP     68-51        PG     (ID: g1cxb6)
1/24/14   PG     89-83        Her    (ID: g1cxb7)
1/24/14   Riv    53-74        LP     (ID: g1cxb8)
1/24/14   West   43-74        AF     (ID: g1cxb9)
1/28/14   Her    75-82        LP     (ID: g1cxba)
1/28/14   Lehi   58-78        AF     (ID: g1cxbb)
1/28/14   PG     81-69        West   (ID: g1cxbc)
1/31/14   AF     70-76        PG     (ID: g1cxbd)
1/31/14   LP     83-59        Lehi   (ID: g1cxbe)
1/31/14   West   72-82        Riv    (ID: g1cxbf)
2/4/14    PG     79-66        Lehi   (ID: g1cxbg)
2/4/14    Riv    45-47        Her    (ID: g1cxbh)
2/4/14    West   58-84        LP     (ID: g1cxbi)
2/7/14    AF     51-52        LP     (ID: g1cxbj)
2/7/14    Her    78-65        West   (ID: g1cxbk)
2/7/14    Lehi   57-62 (ot)   Riv    (ID: g1cxbm)
2/11/14   AF     47-63        Her    (ID: g1cxbn)
2/11/14   Riv    49-71        PG     (ID: g1cxbp)
2/11/14   West   67-51        Lehi   (ID: g1cxbq)
2/14/14   Lehi   64-69        Her    (ID: g1cxbr)
2/14/14   PG     78-72        LP     (ID: g1cxbs)
2/14/14   Riv    41-67        AF     (ID: g1cxbt)
2/18/14   AF     84-50        West   (ID: g1cxbu)
2/18/14   Her    67-75        PG     (ID: g1cxbv)
2/18/14   LP     69-34        Riv    (ID: g1cxbw)
2/21/14   AF     70-43        Lehi   (ID: g1cxbx)
2/21/14   LP     94-50        Her    (ID: g1cxby)
2/21/14   West   52-78        PG     (ID: g1cxbz)
2/25/14   Lehi   58-85        LP     (ID: g1cxc0)
2/25/14   PG     56-63        AF     (ID: g1cxc1)
2/25/14   Riv    75-66        West   (ID: g1cxc2)
2/28/14   Riv                 Her    (ID: g1dg8h)
GamesEnd