4 corrected answer
source | link

This sourceEbay listing says the 28.5" Spalding-1000 is evidently unhelpfulthe official size for women and boys 12 and under.

Although I'm having trouble finding records for many states, so far I've found:

Alabama & Alaska use NFHS rules, but don't specify ball size for Junior High. Probably 29.5".

29.5 Arizona

This source is evidently unhelpful.

Although I'm having trouble finding records for many states, so far I've found:

Alabama & Alaska use NFHS rules, but don't specify ball size for Junior High. Probably 29.5".

29.5 Arizona

Ebay listing says the 28.5" Spalding-1000 is the official size for women and boys 12 and under.

Although I'm having trouble finding records for many states, so far I've found:

Alabama & Alaska use NFHS rules, but don't specify ball size for Junior High. Probably 29.5".

29.5 Arizona

3 corrected answer
source | link

This source is evidently unhelpful.

Although I'm having trouble finding records for many states, so far I've found:

Alabama & Alaska use NFHS rules, but don't specify ball size for Junior High. Probably 29.5".

29.5

Arizona Arizona

This source is evidently unhelpful.

Although I'm having trouble finding records for many states, so far I've found:

29.5

Arizona

This source is evidently unhelpful.

Although I'm having trouble finding records for many states, so far I've found:

Alabama & Alaska use NFHS rules, but don't specify ball size for Junior High. Probably 29.5".

29.5 Arizona

2 corrected answer
source | link

Looking atThis thissource: is evidently unhelpful.

Boys in middle school (or ages 12-14), use a 28.5-inch ball, as do all women and girls ages 12 and up.

Although I'm not sure why it's 29.5 in Kentuckyhaving trouble finding records for many states, this appears to be nonstandard.so far I've found:

29.5

Arizona

Looking at this:

Boys in middle school (or ages 12-14), use a 28.5-inch ball, as do all women and girls ages 12 and up.

I'm not sure why it's 29.5 in Kentucky, this appears to be nonstandard.

This source is evidently unhelpful.

Although I'm having trouble finding records for many states, so far I've found:

29.5

Arizona

1
source | link