The main levels and associated ages are:

• U7 - 5 & 6
• U9 - 7 & 8
• U11 - 9 & 10
• U13 - 11 & 12
• U15 - 13 & 14
• U18 - 15-17
• U21 - 18-20

The age level is based on the age of the child as of December 31.