There are 3 grading rounds for this league.

After the grading rounds this league will be split into 3 leagues.

1. Open Men will be the top 8 teams from grading.
2. U19 Boys League 1A will be the teams ranked 9 - 16.
3. U19 Boys League 1B will be the bottom 4 teams from grading.

Harbour Basketball reserves the right to grade teams.