Self-help groups, schools, and churches are considered part of a(n):

Self-help groups, schools, and churches exemplify a formal network because they operate within established structures and systems designed to meet community needs. These entities generally have defined purposes, roles, and regulations, making them part of an organized way of delivering support and resources. They provide systematic help and foster connections among individuals facing similar challenges or seeking personal growth.

In the context of human services, formal networks clearly delineate the resources available to individuals and communities, making them easily identifiable as sources of assistance. This structured approach allows for consistent service delivery and accountability in meeting the needs of those they serve.

Other options might refer to less structured systems or entities that lack the same level of organization and formality, which sets the formal network apart in its ability to provide reliable and systematic support.