US college hockey inline has a poll - uscho.com
Tournament seedings are done by computer - Pairwise ranking
9 inches
College Hockey America was created in 1999.
In countries where some form of hockey is an official sport of that country, it is because (that form of) hockey is so popular and well established, just like for any official sport.
Then why would it be called "College BOYS hockey"?
no
College Hockey Mid-America was created in 2006.
The first place to learn about college hockey is obviously any college itself. Almost every college offers a hockey team and competes with other colleges.
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There is no official poll.
25.4 mm which is also equivalent to 1 in.