| ClassPeriod | This entity represents the designation of a regularly scheduled series of class meetings at designated times and days of the week. |
| EducationOrganization | This entity represents any public or private institution, organization, or agency that provides instructional or support services to students or staff at any level. |
| School | This entity represents an educational organization that includes staff and students who participate in classes and educational activity groups. |
| Section | This entity represents a setting in which organized instruction of course content is provided, in-person or otherwise, to one or more students for a given period of time. A course offering may be offered to more than one section. |
| Session | A term in the school year, generally a unit of time into which courses are scheduled, instruction occurs and by which credits are awarded. Sessions may be interrupted by vacations or other events. |