All-State/GT Band études for middle school:

Rubank Advanced Method, book 1
p. 32 #11 (top) dotted quarter=47
p. 34 #13 (top) quarter=94

All-State/GT Band études for high school:

Rubank Selected Studies
p. 12 E-Minor eighth note=88
p. 17 Allegro dotted quarter=69

I will do my best to get videos and recordings up on my website ASAP for students to use in preparing for their auditions.