<p>I believe Oklahoma City University has sessions for both high school and junior high. There is a discount for getting the application material in by January 15. PM me if you want me to find the link for it. 
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<p>They also have some video on youtube of previous final performances and cabarets. There was one from Les Mis that gave me goose bumps and a cabaret performance of At the Ballet from ACL that was also impressive. I think some CC kids may have been in those.</p>