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School Calendar

The School Calendar domain represents the instructional days, sessions, and grading periods defined for a school year. The defined sessions for a school year are associated with the education organization (e.g., SEA, LEA) or school that defines the calendar.

School Calendar Model Entities



This entity represents the academic weeks for a school year, optionally captured to support analyses.


This entity represents a day in the school calendar.


This entity represents any public or private institution, organization, or agency that provides instructional or support services to students or staff at any level.


This entity represents the time span for which grades are reported.


This entity represents an educational organization that includes staff and students who participate in classes and educational activity groups.


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.

School Calendar Model

UDM Documentation Contents

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