Capital Christian School is a member of the Association of Christian Schools International (ACSI).

As a member, CCS subscribes to the ACSI Christian Philosophy of Education. Capital Christian School K-12 maintains dual accreditation from the Association of Christian Schools International (ACSI) and the Western Association of Schools and Colleges (WASC). The school upholds rigorous academic standards to maintain these dual accreditations.

Capital Christian School K-12 is currently in its second year of a six-year accreditation term. The school has been accredited with both ACSI and WASC since 1995.