See below a collection of articles published in local and national news outlets, as well as articles in the banding press.
4barsrest.com is a very well-known (within banding circles!) online magazine about all things brass, but especially contesting. There are reports about all the major contests, including youth contests. 4barsest usually have a live report from all the big contests, so you can follow exactly what's going on. Here are some links going back a few years where Youth Brass 2000 gets a mention.