You must register on the Colorado All State Orchestra website in order to have your audition heard! 

Students must register at coloradoaso.org . Students can pay individually online.

https://www.coloradoallstateorchestra.org/students

Colorado All State Orchestra and Western States Honor Orchestra use the same audition materials.  All State is held every year at the Colorado State University in Fort Collins, and Western States is held in Greeley at the University of Northern Colorado.  All State orchestra is not open to freshmen, but Western States is open to all grades.