Holland Marsh District Christian School is a member of the Ontario Alliance of Christian Schools (OACS) , a service organization representing approximately 80 sister schools. The OACS is District 10 of Christian Schools International (CSI) which is an international organization serving approximately 400 Christian schools in Canada and the United States.

CSI also provides pensions and insurance for its participants. The teachers are members of the Ontario Christian School Teachers Association (OCSTA) and the principal is also a member of the Ontario Christian School Administrators Association (OCSAA). These professional associations provide a variety of support services for their members.