WSLL follows rules established by Little League International. Little League International sets their 12 year old age cutoff guideline to August 31 of each year. Please read the Age Guidelines and Team Formation links under Registration to see a description of the divisions and how kids are placed or drafted in a specific division.
Baseball Age Ranges 2025 Season
| T Ball | Pre K | 9/1/19 - 8/31/20 | Pre K |
| K | 9/1/18 - 8/31/19 | K |
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| Non-Draft Leagues | Coach Pitch | 9/1/17 - 8/31/18 | 1st |
| | C Ball | 9/1/16 - 8/31/17 | 2nd |
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| Draft Leagues | B Minor | 9/1/14 - 8/31/16 | 3rd / 4th |
| | B Major | 9/1/13 - 8/31/15 | 4th / 5th |
| | A Ball | 9/1/12 - 8/31/14 | 5th / 6th |
Softball Age Ranges 2025 Season| Coach Pitch | Coach Pitch | 2017, 2018 | 1st |
| Peanuts | Player Pitch - Coach Assisted | 2016, 2017 | 2nd-3rd |
| Minors | Player Pitch | 2014, 2015 | 3rd-5th |
| Majors | Player Pitch | 2012, 2013 | 5th-7th |