WBLL Teams will be formed based on a player's current grade level

WBLL Spring Season
14U A and B – 7th/8th grade
12U A and B – 5th/6th grade
10U A – 3rd/4th grade

Marin Youth League
10U B - 3rd/4th grade
8U – 1st/2nd grade and under

Peninsula Youth League
10U B - 3rd/4th grade
8U – 1st/2nd grade and under

For all WBLL Divisions, players will be allowed to play up one level, but not down.