Accreditation
Washington Preparatory School is accredited by the following organizations:
- National Council for Private School Accreditation (NCPSA), July 1st, 2019 - June 30th, 2024
- Accreditation International (AI), July 1st, 2018 - June 30th, 2024
- Washington State Board of Education
- International Baccalaureate Diploma Program (IDP), March 26th, 2020
IB Final Authorization Letter