The resources here can be used by teachers hosting competitions in their schools.

 

Recommended Net Heights

Year Age Girls Boys
3-6 7-11 1.80 - 2.15m*
7 11-12 2.13m 2.17m
8 12-13 2.13m 2.17m
9 13-14 2.17m 2.24m
10 14-15 2.17m 2.35m
11 15-16 2.24m 2.35m
12+ over 16 2.24m 2.43m

 

* Between 1.80m and 2.15m depending on age/height of the players, set just above players' stretch height.