Any classification essay sample should have the proper essay rubric, while providing the essay outline, introduction and main body. The essay structure should be such that students are able to identify the principal adopted for organizing different items or terms in various groups, as per essay thesis statement.

In addition, the sample should provide sufficient examples that can testify the basic method used by the writer for classifying different objects or terms into various categories. For example, if the essay is classifying heavy machinery used on a construction site, the requirement shall be to base it according to their function, like earth moving equipment, drilling machinery and bulldozing equipment. Therefore, in this case the essay statement would be functional classification of equipment.