Delavan Christian School is accredited by (WNSAA) Wisconsin Non-public School Accreditation Association.

Delavan Christian School is a member of Christian Schools International (CSI). It has a membership of over 450 Christian schools in North America. Its purpose is:

- to promote the establishment of Christian schools.

- to provide a medium for a united witness regarding the role of Christian schools in a contemporary society.

- to assist its members to function more effectively in areas of promotion, organization, administration and curriculum.

- to administer appropriate programs for the economic well-being of member Christian school personnel.

- to prepare, publish and distribute instructional, promotional and other materials, including periodicals for membership use.