Just piling on here because upvotes are not visible. The one thing you can guarantee is that your good faith is not reciprocated by the university. Get a lawyer.
To make it easier: it sounds like you're still registered. University of Washington offers Student Legal Services ( https://depts.washington.edu/slsuw/ ). Set up a referral with one of them and talk to them. Even if they're employees of the university and don't want to work with you to sue the university itself they may be able to give you good advice about how to proceed.
To make it easier: it sounds like you're still registered. University of Washington offers Student Legal Services ( https://depts.washington.edu/slsuw/ ). Set up a referral with one of them and talk to them. Even if they're employees of the university and don't want to work with you to sue the university itself they may be able to give you good advice about how to proceed.