The Accrediting Commission for Schools, Western Association of Schools and Colleges (ACS WASC), a world-renowned accrediting association and one of the six regional accrediting agencies in the United States, works closely with the Office of Overseas Schools under the U.S. Department of State. ACS WASC provides assistance to schools worldwide, primarily in California, Hawaii, Guam, Asia, the Pacific Region, the Middle East, Africa, and Europe.
The Accrediting Commission for Schools, WASC, extends its services to over 5,000 public, independent, church-related, and proprietary pre-K–12 and adult schools, works with 18 associations in joint accreditation processes, and collaborates with other organizations such as the California Department of Education (CDE). CDE has collaborated with ACS WASC in order to align the accreditation process with the planning process for California public schools required by state and federal statues in the Single Plan for Student Achievement (SPSA) and the Local Control Accountability Plan; the is the collaborative process that helps schools identify and implement school improvement needs and supports accountability. Another example is the partnership with the University of California regarding the a-g course requirements.
The ACS WASC Commission is composed of 32 representatives from the educational organizations that it serves; this includes representatives from the Association of California School Administrators, Association of Christian Schools International, California Department of Education, California School Boards Association, California Charter Schools, California Teachers Association, California Federation of Teachers, East Asia Regional Council of Schools, Hawaii State Department of Education, National Lutheran School Accreditation, Pacific Union Conference of Seventh-day Adventists, and the Western Catholic Educational Association.