Accreditation
Washington State Board of Education Approved
Solomon International School is officially approved by the Washington State Board of Education as a private school for the 2025–2026 academic year. This recognition affirms that SIS meets all state requirements for excellence in education.
Official AP Test Center
SIS proudly serves as an official site for AP testing, ensuring access for both our students and the wider community.
Cognia Accredited School
Solomon International School is fully accredited by Cognia, a globally recognized accreditation body ensuring high standards of educational quality and continuous school improvement.
Official SAT Test Center
Our campus serves as an official SAT center, offering students reliable access to one of the world’s most important college entrance exams.
WFIS Member School
Solomon International School is a proud member of the Washington Federation of Independent Schools (WFIS), joining a statewide network committed to collaboration, advocacy, and excellence in private education.
Homeland Security Approved
As a SEVP-certified institution, SIS provides I-20s for international students, enabling enrollment with an F-1 visa.