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Education Organization Calendar Interchange - v2.2
Overview
The Education Organization Calendar interchange carries school calendar information. It can be used to exchange school calendar data, including instructional days, sessions, and grading periods.
Like all standard Ed-Fi interchanges, this schema references the Ed-Fi Core XSD and can be extended using the Ed-Fi Extensions Framework. See the Ed-Fi Data Standard: Developers' Guide for more information.
Use Cases
The Education Organization Calendar Interchange can be used to:
- Exchange dates indicating which days are instructional days, holidays, or teacher-only days.
Exchange session start dates and end dates.
- Exchange grading period definitions.
Model Details
The following figure shows a logical view of the Education Organization Calendar Interchange schema:

Entities
The following table describes the primary entities of which the Education Organization Calendar Interchange is composed.
| Name | Description |
|---|---|
| Session | This entity represents the prescribed span of time when an education institution is open, instruction is provided and students are under the direction and guidance of teachers and/or education institution administration. A session may be interrupted by one or more vacations. |
| GradingPeriod | This entity represents the time span for which grades are reported. |
| CalendarDate | This entity represents a day in the school calendar. |
| AcademicWeek | This entity represents the academic weeks for a school year, optionally captured to support analyses. |
Extended References
This interchange includes the following Extended References.
| Extended Reference Name | Description |
|---|---|
| SchoolReference | Required. Relates the entity to an educational organization of type school. |
Descriptor Dependencies
This interchange references the following Ed-Fi Descriptors, thus requiring them to have been defined using the Descriptors interchange prior to this interchange. For more information on the Ed-Fi Descriptor Pattern, see the Ed-Fi Data Standard - Developers' Guide.
| Descriptor Name | Description |
|---|---|
| CalendarEventDescriptor | Required. This descriptor holds the types of scheduled or unscheduled event for the day (e.g., Instructional day, Teacher-only day, Holiday, Make-up day, Weather day, Student late arrival/early dismissal day). |
| GradingPeriodDescriptor | Required. This descriptor defines the name of the period for which grades are reported. The mapping of descriptor values to known Ed-Fi enumeration values is required. |