The University of Washington previously announced to be a Coalition exclusive school for this fall. As of yesterday, they are not.
Update for autumn 2017 applicants (August 4, 2016)
You can get started on the admission essays any time. The prompts are ready.
The application for autumn 2017 opens on October 1. (The UW remains a Coalition member. We will not use the Coalition application in this first year.)
The application deadline is December 1, 2016.
Source link:
http://admit.washington.edu/Admission/Freshmen/Apply