the organizations of persons or church officials arranged one above the other according to rank class or grade

The organizations of persons or church officials arranged one above the other according to rank class or grade is called Hierarchy.

Explanation:

Every nation or an organization is hierarchically organized. Stratification of social status is essential. Many social religions also practice hierarchical relationship with the superiority of God.

Families are also regarded as a categorized structure in terms of physical relationship that exists between the individuals.

All the requisites of human needs can be categorized under the Maslow's theory of hierarchy of human needs. Even learning must follow a hierarchical scheme. Hierarchies are seen everywhere but it's considered trivial.