Whitinsvillle Christian School Library is a member of CMRLS, the Central Massachusetts Regional Library System. CMRLS is part of a statewide library group. Among other benefits, membership in this group enables WCS to offer students access to a number of excellent online resources including Infotrac, Issues & Controversies, Today's Science, and newspaper archives from many Massachusetts newspapers.

The Central Massachusetts Regional Library System serves 254 school, public, special and academic libraries in 71 communities and is supported by state taxes as administered by the Massachusetts Board of Library Commissioners (MBLC).