The Washington Department of Health issues Residential Treatment Facility licenses (RTF) to groups planning on providing treatment and therapeutic services to children. It processes initial licensure, license renewals, and license amendment for such facilities.
Private schools in Washington are not required to become accredited, but are encouraged to do so by the Washington State Board of Education. Teachers in private schools must be certified unless they teach religion courses. Washington state also specify that private school curriculum must consist of subjects that allow students to meet the state board of education graduation requirements.