Answer:
Adison High School claims accreditation by the International Accreditation Committee of Online Schools (IACOOS), whose address in Washington state happens to be be same as that of the school (see the Related Link below). Also IACOOS says it meets the eligibility standards of the Board of Online University Accreditation (BOUA), which is on the list of fake or unrecognized agencies for online college accreditation per the Council on Higher Education Accreditation (CHEA) or the U.S. Department of Education, see the Related Link below. The Better Business Bureau (BBB) also gives AdisonHighSchool dot com a rating of F for how they handle complaints (See the Related Link below). Caution!