Washington offers one 529 college savings plan, a pre-paid tuition plan called Guaranteed Education Trust (GET).
Guaranteed Education Trust (GET)
GET is a pre-paid a pre-paid tuition plan that lets you lock in today’s rates for college. It can be used at any qualified institution of higher education, public or private, anywhere in the country, and some schools around the world. Keep in mind that expenses will be prorated and may not fully cover the cost of education at more expensive instituions.