Heritage Christian Academy is a member of the MHSAA, the Alliance League and the Small School League.

Alliance League Members:
Algoma Christian
Black River
Calvary Christian of Fruitport
Calvary Shcools of Holland
Potter's House Christian
West Michigan Lutheran
Zion Christian

Small School League Members:
Gagie School
Howardsville Christian
Kalamazoo Country Day
Kalamazoo Home School
Reformed Heritage
St. Augustine
St. Michaels Lutheran
Trinity Lutheran
Vineyard Academy