All JBO players play within a division based on grade and skill level. These are defined as follows:
- Midgets: Players in 3rd, or 4th grade as of start of season
- Juniors: Players in 5th or 6th grade as of start of season
- Seniors: Players in 7th or 8th grade as of start of season
- National: Players with beginning or recreation level skills within each division
- American: Players with intermediate level skills within each division
- Federal: Players at the highest skill level within each division
More information about placement of players is available through each association. Additional information is also available on the JBO Website.